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459 Cards in this Set

  • Front
  • Back
What is Chloramphenicol and what is its mechanism of action?
Antibiotic; protein synthesis inhibitor. Also inhibits P450
What are the functions of Probenecid?
Inhibits the renal excretion of uric acid and certain drugs. A "uricosuric" agent at high doses.
What is the MOA of Fluoroquinolones?
antibiotic; inhibits topoisomerase, preventing bacteria from using their own DNA
What is the use and toxicity associated with flucytosine?
First line drug for cryptococcal meningitis; causes bone marrow toxicity
What is the use and toxicity of Foscarnet?
Used to treat CMV retinitis; nephrotoxic
What is the body's response(3) to irreversible cell injury?
Coagulation necrosis
Liquefactive necrosis (brain)
Caseous necrosis (TB)
What are the cell types/processes that define post cell injury? 24, 48, 72 hrs, 1 week, 2 weeks?
Neutrophils (roll in)
Macrophages
Regenerating epithelium
Repaired epithelium
Dense, thick, collagen fibers
Define the following mediators to inflammation:
Fever
Vasodilatation
Exudation
Chemotaxis
Phagocytosis
Pain
IL-1, PGS
NO, PGS
Histamine, bradykinin
Compliment C5a, IL-8
Compliment C3b (opsonin)
PGS, bradykinin
How do helper T cells (CD4) activate NK cells, B cells, and macrophages?
IL-2-->activates NK and B cells
INF-gamma-->activate macrophages
What are the the 2 cytokines that induce MHC-I expression?
Alpha and Beta interferon
FF: Mutation of the IL-2 receptor is the cause of SCIDS
boobs
What is the differences in the activating agents of the Classical and Alternate compliment pathways?
Classical - triggered by antigen-antibody complex
Alternate - triggered by contact with microbial surfaces
What are the three types of AMYLOID and under what conditions are the seen?
AL - Amyloid light chains - Multiple Myeloma
AA - Amyloid associated protein - chronic inflammation and aging
AB - Beta Amyloid - Alzheimers
FF: Amyloid - When stained with Congo-Red see green birefringence under polarizing microscope
TRALSE
Explain the mechanism of a Type IV reaction
Memory T cells activate macrophages and NK cells, causes erythema with induration. Seen in tuberculin reaction (delayed hypersensitivity)
For the following oncogenes, name the associated disease:
c-myc
c-abl
bcl-2
ras
Burkitt lymphoma
CML
Non-Hodgkin lymphoma
Colon cancer
What is the use of tumor markers?
used as follow-up after treatment to detect metastases, not for screening in asymptomatic pts
For the following tumor markers, name the associated disease:
CEA
AFP
PSA
Acid phosphatase
Alkaline phosphatase
adenocarcinomas (colon, pancreas, lung)
hepatoma, twins, anencephalus
duh
prostate carcinoma
bone mets, obstructive biliary dz, Paget's dz
What is Chediak-Higashi syndrome?
AR disease - bacterial and fungal infections of the skin and mucus membrane d/t impaired leukocyte function
What in the av malformation seen in AD polycystic kidney disease?
berry aneurysms
What is phacomatoses?
benign tumors of the ectoderm (eye, skin, and brain)
Match the following partial deletions with their effects:
5p
11p
13q
cri du chat syndrome
congenital absence of iris (two eyes = 1 + 1)
retinoblastoma
For the following Major HLA's, what diseases is/are the patient predisposed to?
A3

B27

DR2

DR3

DR4, Dw4, Dw14
hemochromatosis

ankylosing spondylitis
Reiter's sd
UC

MS
Narcolepsy

SLE
IDDM (Type 1 diabetis)

RA
Juvenile RA
Where are the following HLA's found?
HLA A-C
HLA D
all cell surfaces
mostly on B-lymphocytes
What is the MCC of nephrotic sd in kids v. adults?
Kids - minimal change GN
Adults - membranous GN
What are the differences between abs in limited v. diffuse (systemic) sclerosis?
Limited (CREST)-->anti-centromere
Diffuse-->anti-Scl 70 (topo I)
ab associated with idiopathic thrombocytopenic purpura?
anti-structural platlet
What is the tetrad of polyarteritis nodosa?
Patient presents with fever, hypertension, abdominal pain, and renal disease (without glomerulonephritis)
Triad of microscopic polyangitis
Hemoptysis, hematuria, palpable purpura (with glomerulonephritis)
DOC for cyanide OD?
amyl nitrate
DOC for benzo OD?
flumazenil
What is the drug known as "2-PAM" that restores cholinesterase activity?
pralidoxime
Briefly describe the MOA's of the following antibiotics:
penicillins and cephalosporins
aminoglycosides
vancomycin
quinolones
chloramphenicol
erythromycin
inhibit peptide cell wall synthesis
inhibit the initiation of translation
inhibits phospholipid plasma membrane synthesis
inhibits topoisomerase; bacteria cannot use their own DNA
inhibits peptidyl transferase
(macrolides) inhibit protein synthesis
Briefly describe MOA
tetracyclines
sulfonamides
trimethoprim
inhibit tRNA binding-->inhibit protein synthesis
inhibit folate synthesis
inhibits folate use
DOC pregger with UTI + MOA
nitrofurantoin - accumulates in the urine, works to inhibit bacterial enzyme systems
DOC Bacillus cereus
vanc or clindamycin
DOC Borrelia burgdorferi
doxycycline
DOC Camppylobacter jejuni
erythromycin
DOC Candida spp. (2)
vag
systemic
micronazole (vag)
fluconazole (systemic)
DOC Chlamydia trachomatis
doxycycline; azithromycin (alt)
DOC Clostridium difficile
metronidazole; alt vanc
DOC Corynebacterium diptheriae
erythromycin
DOC Gardnerella vaginalis
metronidazole
DOC Hemophilus influenzae
cefotaxime or ceftriaxone
DOC Hemophilus ducreyi
azithromycin
DOC Mycoplasma pneumoniae
azithromycin
DOC Neisseria gonorrheae
ceftriaxone
DOC Neisseria meningitdis
penicillin G
DOC Bacillus anthracis
penicillin
DOC Listeria monocytogenes
ampicillin
DOC Pastuella multocida
penicillin family
DOC Salmonella typhi
ceftriaxone or any quinolone
DOC Shigella species
azithromycin or any quinolone
DOC Treponema pallidum
penicillin G
DOC Trichomonas vaginalis
metronidazole
DOC Staph aureus
nafcillin (naf for staph)
dicloxacillin in on skin
DOC Strep pyogenes
penicillin G or V
DOC genital warts
podophyllin resin or burn that thing off
DOC Group B strep
penicillin G
DOC Staph saprophyticus
any cephalosporin or pen family
DOC Strep pneumoniae
Penicillin G
DOC Vibrio cholerae
doxycycline or any fluroquinolone
DOC Giardia lamblia
tinidazole or nitazoxanide
DOC Entamoeba histolytica
metronidazole or tinidazole
DOC Ascaris lumbricoides
bendazoles
DOC Enterobius vermicularis (pinworm)
bendazoles
DOC Necator americanus
bendazoles
DOC Trichinella spiralis
bendazoles
DOC Schistosoma spp.
praziquantel
DOC Diphyllobothrium lantum
praziquantel
DOC Andenovirus
cidofovir + probenecid
DOC Influenza A (seasonal)
zanamivir
DOC Influenza B and avian (H5N1)
oseltamivir
DOC Measles (kids and adults) 2
vitamin A
ribavirin
DOC Smallpox
smallpox vaccine (within four days of exposure) + cidofovir
What is Wiskott-Aldrich sd, inheritance pattern, and clinical sxs
low IgM
X-recessive
bacterial infections, thrombocytopenia, eczema
What do the following bleeding studies measure?
Bleeding Time
PT
aPTT
TT
platelet function
extrinsic + common
intrinsic + common
common
In the following bleeding disorders what bleeding studies are prolonged?
Von Willebrand (VIII-R) dz
Hemophilia A (VIII)
Hemophilia B (IX)
Vit. K deficiency
aPTT and BT are prolonged
aPTT prolonged
aPTT prolonged
PT prolonged
In what anemia do you see Heinz bodies (hemoglobin degradation products) and what factors aggravate this condition?
G6PD, aggravated by viral infections, sulfa drugs, quinine, and nitrofurantoin
In what disease states do we see cold and warm antibodies respectively?
mycoplasma pneumonia
mononucleosis
lymphoma

drugs
malignancies
SLE
What is the triad of Plummer-Vinson sd?
anemia
atrophic glossitis
esophageal webs
What is the triad of Fanconi Anemia?
hypoplastic thumbs
absent radii
aplastic anemia

MOA: inherited defect in DNA repair
In what conditions are the following RBCs with "special features" seen?
Heinz bodies
Howell-Jolly bodies
basophillic stippling
siderocytes
reticulocytes
G6PD deficiency
post splenectomy (nuclear fragments)
lead poisoning
iron overload, Pappenheimer bodies (iron inclusion bodies)
recovery from hemorrhage
What is the clinical picture of Felty's syndrome?
combination of rheumatoid arthritis, splenomegaly, and neutropenia (immune mediated destruction)
What two cells will be present with increased numbers with a TB infection?
lymphocytes and monocytes
What is the clinical picture of CML?
young adult
fever, night sweats, splenomegaly
poor prognosis
Philadelphia chromosome (bcr/abl translocation)
What is the clinical picture in AML?
any age
fever, petechiae, ecchymoses, lymphadenopathy (splenomegaly)
AUER RODS IN MYELOBLASTS
What is a Reed-Sternburg cell and what disease is it seen in?
binucleated cell with prominent nucleoli and clear parachromatin. Seen in Hodgekin's disease
How is Burkitt's Lymphoma classified and what is the "starry sky" pattern?
high grade, subtype of non-Hodgkin's Lymphoma
"stars" - benign macrophages
"sky" - matrix of rapidly proliferating neoplastic B cells
What is Waldenstrom's disease and what PN cell is seen?
plasma cell neoplasm
always IgM
"flame cells" (eosinophilic plasma cells)
hyperviscosity syndrome
What are the risk factors for phlebothrombosis and what is the "positive" sign that is seen?
endothelial injury
slow blood flow
hypercoagulability

Trousseau's sign - migratory venous thrombosis, a/w neoplasms
What is Monckenbergs arteriosclerosis and what is the PN sign?
media calcific stenosis
affects small and medium sized arteries
asx

"gooseneck lumps"
What sized vessels do hypersensitivity arteritis affect?
small vessels

ex: Henoch-Schonlein purpura (see many small hemorrhages all over the body usually preceded by infection like pharyngitis)
What type of vessels and organ systems are affected in polyarteritis nodosa?
small and medium sized vessels
kidneys, heart, muscles, and skin
responds to steriods
What sized vessels are affected in thromboangitis obliterans (Buerger's) and what population is it seen in?
small and medium sized vessels
smokers
What condition is seen in 50% of patients with giant cell arteritis?
polymyalgia rhumatica (pain or stiffness in the neck, shoulders, and hips)
What vessels are affects in Wergner's?
upper and lower respiratory vasculitis + glomerulonephritis
What vessels are affected in Takayasu (pulseless dz)?
aorta/large arteries
Asian females
What is the clinical picture of Kawasaki's dz?
aka mucocutaneous lymph node syndrome
coronary artery aneurysms
fever, conjunctivitis, maculopapular rash
Japanese children
For the following types of aneurysms, provide the typical location affected?
atherosclerotic
syphilitic
dissecting
berry
micro
abdominal aorta (hypertension)
ascending aorta (a/w aortic insufficiency)
aorta ascending or descending (Marfan's)
circle of Willis (a/w adult polycystic kidney disease)
cerebral: HTN
retinal: diabetes
Describe mitral valve prolaspe
young women, Marfan's
midsystolic click
Describe mitral stenosis
rheumatic heart dz, a fib
diastolic rumble
Describe mitral regurg
MI of papillary mm
acute rheumatic fever
endocarditis
holosystolic murmur that transmits to axilla
Describe aortic stenosis
congenital
degenerative calcifications
systolic murmur that transmits to carotid aa
Describe aortic regurg
"water hammer" pulse
diastolic murmur
"pistol shots" in femoral aa
Describe patent ducus arteriosus
kept open via PGE 2
continuous "machine like" murmur
What is TORCH infection and what defects can be seen?
toxoplasmosis, rubella, CMV, herpes
also see microcephaly, auditory and visual defects
Define stable angina
worse with exercise/relieved by rest
ST depression
tx with nitroglycerin
Define unstable angina
at rest or creschendo like
often leads to MI
does not respond to nitro
Define Prinzmetal's angina
occurs at rest or in clusters
ST elevation
tx with CCBs
Define and list features of an MI
during exercise or REM sleep
ST elevation
T inversion
tx with nitro, morphine, lidocaine
What are the some defining features of tissue change after and MI for the following time peroids:
30 m
4-12 h
18-24 h
24-72 h
3-7 d
10 d
8 w
mitrochondria swells
edema, hemorrhage
neutrophils show up
coag necrosis, loss of nuclei, neutrophils like whoa
reabsorb dead myofibers
granulation tissue
scar
abbreviations used in this card set
sx - symptom
a/w - always with
DOC - drug of choice
pt - patient
PN - pathomnemonic
What is the clinical presentation of a patient with microscopic polyangitis?
hemoptysis, hematuria, palpable purpura (with glomerulonephritis)
What is the clinical presentation of polymyositis?
proximal mm weakness, elevated mm enzymes, elevated myoglobin
What are the two anaphylotoxins and what do they induce?
C3a and C5b
Stimulate mast cells, basophils, platelets to release histamine
Differentiate from,
C3b-->opsonization of phagocytes
C5a-->chemotaxis
A female patient presents with joint pain, a fever of 101, and inflammation of several serous membranes (P's) and was recently prescribed a new medication by her physician. Dx? Associated antibody?
Drug-induced lupus; anti-histone
How can you differentiate between Wergners granulomatosis and Goodpasture's syndrome?
Wergner's - sinusitis, glomerulonephritis, and cavitary (normal lung tissue is replaced by a cavity)

Goodpasture's - SEVERE glomerulonephritis, pulmonary hemorrhage (not cavity), and dyspnea
Some mo' antibodies:
Hashimoto's thryoiditis
Wergner's granulomatosis
Goodpasture's sd
Primary biliary cirrhosis
anti-microsomal
anti-neutrophil cytoplasm (ANCA)
anti-glomerular basement membrane (anti-GBM)
anti-mitochondrial
What type of amyloid is present in a patient with reactive systemic amyloidosis as a result of chronic inflammation?
AA - amyloid-associated protein
What type of hypersensitivity reaction is responsible for post-streptococcal glomerulonephritis?
type III - immune complex deposition
What are the mechanisms for the following types of transplant rejection?
Hyperacute
Acute
Chronic
Graft vs. Host (days to weeks)
preformed abs bind to antigen on tissue
memory T cells recognize antigen; CD8's destroy graft
abs develop over time & destroy graft vasculature
T cells in graft tissue attack host
Where are the 4 places that alkaline phosphatase is produced?
bone
kidney
placenta
biliary system
Define the following rare X-linked dominant diseases:
Hyperphosphatemic rickets
Incontinentia pigmenti
inherited vitamin D resistance, bowed legs
mini-teeth and patchy alopecia
What is Leber's optic neuropathy and what is the inheritance pattern?
bilateral blindness with onset after ~15 y/o
Describe the defects in PKU
inability to metabolize phen
neurotoxicity from phenylketones
inability to make melanin and monoamines (nor and dop)
Patient presentation with alpha1 antitrypsin deficiency
alpha1 AT functions to inhibit elastase
result is liver destruction
active elastase the lung results in emphysema
What is the definition of mucopolysaccharidoses
unable to metabolize GAG's which are critical components of connective tissue
What is Bernard-Soulier disease and what is it d/t?
excessive bleeding d/t lack of Gp1b (platelet adhesion to VWF)
What is Glanzmann's Thrombasthenia and what is it d/t?
excessive bleeding d/t lack of Gp11b111a (platelet to platelet adhesion)
What is the DOC for otitis externa
ofloxacin drops
What is the tx for viral conjunctivitis?
nutin'
DOC for neonatal conjunctivitis given the following time intervals:
2-4th day
3-10th day
2-16th day (with evidence of dendritic corneal ulcer)
prophylaxis against opthalmia neonatum
IV ceftriaxone (most likely cause, N. gonorrheae if hyperpurulent)
PO erythromycin (most likely cause, C. trachomatis)
trifluridine drops (most likely cause, HSV)
silver nitrate drops or erythromycin ointment
For the following diarrhea (hehehe) types, what is the drug treatment:
Post-antibiotic diarrhea
Travelers diarrhea
Prophylaxis during travel
Severe (adults and kids)
metronidazole
fluoroquinolones or rifaxamin
bismuth
severe adult - ciprofloxcin or levofloxacin + metronidazole
severe kids - TMP/SMX + metronidazole
Describe the use for the following 2nd generation penicillins(beta-lactamase resistant):
methicillin
dicolxacillin
oxacillin and cloxacillin
nafcillin
flucloxacillin
beta-lactamase staph and strep
skin infections and cellulitis
also used for skin infections
naf for staph (eliminated via biliary tract)
reserved for serious infections
ampicillin and amoxicillin are examples of what
3rd generation penicillins;target gram positive & negitive species;common prophylaxis for dental procedures in pts with high-risk cardiac conditions
How would carbenicillin, piperacillin, and ticarcillin be classified?
extended spectrum PCN's aka "antipseudomonals PCNs"
never used as monotherapy; always used with an aminoglycoside or ciprofloxin
The first generation cephalosporin, cefazolin is a DOC for what?
skin infections and cellulitis
What 2nd generation cephalosporin no longer available in the US causes a disulfriam-like reaction when injested with alcohol?
cefamandole
What is the biochemistry behind a disulfriam-like reaction?
a reaction where aldehyde dehydrogenase is inhibited, resulting in a build-up of acetaldehyde. Sx are flushing, tachycardia, hyperventilation, n/v, palpaitations, chest pain, and hypotension
What third generation cephalosporin, besides its HENpeck + enterics use, is used in infected patients with renal problems?
ceftriaxone; excreted in bile; also the DOC for infections with N. gonorrhea
Fourth generation cephalosporins and ceftazidime (3rd gen) are effective against what organism?
pseudomonas aeruginosa
After a splenectomy, the patient is at a higher risk for what organisms? Protocol?
encapsulated bacteria (Haemophilus influenza B and strep pneumonae). Vaccines to both given before surgery and prophylactic antibiotics after surgery and during dental procedures
What joint is spared in rheumatoid arthritis?
Distal interphalangeal joints
Describe the defect in the following congenital immunodeficiencies:
DiGeorge's
Ataxia-telangiectasia
X-linked hypo-IgG (Brouton's)
Chronic granulomatous disease
Hereditary angioedema
T cell deficiency (lack of functioning thymus)
AR, appears at age 2, combined T and B cell deficient
B cell deficiency d/t mutation of a tyrosine kinase
X-linked phagocyte deficiency
AD compliment deficiency-->defective C1 esterase inhibitor
Describe the patient presentation with left sided heart failure:
causes
sxs
ischemic heart diesase, arterial hypertension, vavular disease
sxs - pulmonary congestion, renal hypoperfusion
What are some causes and sxs of right sided heart failure?
left sided heart failure-->right sided heart failure, lung disease, primary pulmonary hypertension
sxs - increased venous pressure (edema, "nutmeg liver". ascites)
What are the two types of infective endocartidis?
acute and subacute
Describe acute infective endocarditis
caused by staph. aureus or strep spp.
previously NORMAL valves
"janeway" lesions - non-tender, macular patches on the palms and soles (septic emboli)
fever, chills, hematuria
Describe subacute infective endocartitis
caused by strep. viridians or gram negitive bacilli
previously ABNORMAL valves
Roth spots - oval retinal hemorrhages with pale center
Osler nodes - red, tender lesions on the finger and toe pulps
low grade fever
What are the two types of non-infective endocartitis?
marantic
Libman Sacks
Describe Marantic endocarditis
non-infective
a/w chronic illness
thrombotic (platelet and fibrin deposits)
Describe Libman Sacks endocarditis
non-infective
SLE
verrucous lesions on both sides of valve leaflets
What are the clinical signs of pericarditis?
low-grade fever
pericardial friction rub - chest pain aggravated by trunk movement
pulsus paradoxus - exaggerated fall in inspiratory blood pressure
What are the three types and key features of pericarditis?
fibrinous - transmural MI, Dressler syndrome (delayed pericarditis 2-10 weeks after MI), bread and butter appearence
serous - viral infection (MC Coxsackie), uremia
suppurative - bacterial, fugal, parasitic infections
What are the buzzwords for rhumatic fever?
SCHOOL-AGE CHILDREN WITH UNTREATED STREP PHARYNGITIS (group A beta hemolytic strep)
What is the onset of acute rheumatic fever? age group? causative agent? criteria?
1-4 weeks post tonsilitis
5-15
group A beta hemolytic strep (pyogenes)
JONES: polyarthritis, erythema, subq nodes, chorea, carditis
What is the most common clinical presentation of acute rheumatic fever?
migratory polyarthritis lasting 2-3 weeks with fever
Where would one find Achoff bodies and what condition are they associated with?
acute rheumatic fever
granulomas of focal interstitial myocardial inflammation
also seen with Anitschkow cells - enlarged macrophages
What is the definition of obstructive lung disease and what are some examples?
reduced air flow d/t high resistance or low elastic recoil (frc and tlc are high)
emphysema
chronic bronchitis
asthma
bronchiectasis
What is the cause of Kartagener's syndrome?
immotile cilia resulting in a lack of mucus clearance
results in bronchiectasis (widening and destruction of large airways)
What is the definition of restrictive lung disease?
recoil of lungs is large
FRC, VC, and TLC are low
What is the difference between Goodpasture's syndrome and pulmonary hemosiderosis?
Goodpasture's - type II, abs against basement membrane, hemoptysis, rapidly progressive GN
pulmonary hemosiderosis - alveolar capillary bleeding and accumulation of haemosiderin in the lungs without renal involvement
What is the definition of edema
when filtration is greater than resorption + lymph flow
What are some causes of pulmonary edema?
increased hydrostatic pressure
lymphatic obstruction
left sided heart failure, mitral stenosis, pulmonary vein obstruction
decreased oncotic pressure
microvascular injury
What is the presentation of classic pneumonia?
sudden fever, cough, speutum, and dyspnea
a lobar pneumonia usually caused by pneumococcus
For the following pneumonias, what is/are the likely causitive agents?
bronchopneumonia
lobar pneumonia "classic"
atypical pneumonia
Legionnaire's (severe lobar pneumonia)
haemophilus, pseudomonas
pneumococcus, klebsiella
viral, mycoplasma
legionella (gram negative rod, grows on charcoal yeast extract, cultured with iron and cysteine, look for antigens in the urine and treat with erythromycin)
What is atypical about atypical pneumonia?
gradual onset
dry, non-productive cough
minimal clinical signs of pneumonia
prominent extrapulmonary sx, myalgia etc
prominent CXRAY "looks worse than patient"
What are the lung tumors associated with smoking? Non-smoking?
squamous
small call
large cell

benign
carcinoid
adenocarcinoma
What endocrine effects are seen in the following lung tumors?
squamous
small cell
PTH-like peptide = hypercalcemia
paraneoplastic, ACTH, ADH = Cushings, SIADH
What is the difference btw Cushing's and Addison's disease?
Cushing's - excess endogenous or exogenous cortisol
Addison's - primary adrenal insufficiency, excess ACTH, craves salt
What are the key distinguishing factors between nephritic and nephrotic syndromes?
nephritic - hematuria, RBC casts, poststreptoccal GN

nephrotic - severe proteinuria, hypoalbuminemia-->edema, hyperlipidemia d/t lipid catabolism is decreased due to lower levels of lipoprotein lipase
What is the clinical picture of Berger's (IgA nephropathy) glomerulonephritis?
mild proteinuria, hematuria in children
lasts 1-2 days post respiratory infection
Do the following have a good or poor prognosis?
minimal change disease
diffuse proliferative GN
good prognosis
Microscopic changes in minimal change (lipid nephrosis)
loss of foot processes (podocytes)
Microscopic changes in diffuse proliferative GN
subepithelial deposits
Microscopic changes in membranous GN
thickened glomerulo--basement membrane, sub-epithelial deposits of immune complexes
Microscopic changes in membrano-proliferative GN
GBM thickening + proliferation of mesangium
sub-ENDOthelial/intra-membranous deposits of immune complexes
"tram tracking" appearence
Microscopic changes in focal segmental GN
segmental sclerosis
IgM deposits (IgA in Berger's)
Microscopic changes in rapidly progressive GN
"cresents"
oliguria, uremia
Calcium urolithasis
precipitate in alkaline urine, tx with thiazide or potassium phosphate
Mg-NH3-Phosphate urolithasis
"staghorn calculi"
precipitates in alkaline urine
d/t URI caused by proteus (proteus contains uresase which converts ammonia to urea which is basic)
tx with antibiotics urine acidification
Female patient presents with a testicular mass. In attempting to diagnose a germ cell tumor, you remember the key features of the following:
seminoma
embryonal
chroiocarcinoma
yolk sac
teratoma
uniform, radiosensitive, good prognosis
more aggressive, hemorrhage, necrosis
highly malignant with GYNECOMASTIA
MC in children, increased serum AFP, very agressive
multiple tissue type, malignant
What location of a testicular mass determines its malignancy?
testicular masses = malignant
extra testicular = benign, benign and a half
Which non germ cell testicular tumor produces hormones (androgens, estrogens, corticosteroids)
leydig!
sertoli (Stromboli) do not or is very minimal
Describe the following surface epithelium ovarian tumors:
serous
mucinous
endometroid
clear cell
Brenner
cysts, ciliated epithelium
cysts, non ciliated
glandular tissue (cyclic pain)
rare, malignant
rare, benign, PN nests of transitional epithelium in stroma
Describe the following germ cell ovarian tumors:
teratoma
dysgerminoma
endodermal sinus tumor
choriocarcinoma
mature (benign)
like seminoma, radiosensitive
like yolk sac tumor, increased AFP
produces HCG
Describe the following sex cord stroma cell tumors:
granulosa-theca
steroli-leydig
fibroma
produces estrogens and androgens
produces androgens which leads to masculinization
Meig's snydrome--> ascites and classic right sided pleural effusion
Describe the following types of endometriosis:
polyps
hyperplasia
carcinoma
excessive bleeding, rarely goes malignant
excessive bleeding, PREMALIGNANT
usually andnocarcinoma, may be asx or present with bleeding
Compare and contrast hydatidform mole and choriocarcinoma
usually benign, fertilization of ovum by multiple spermies, large uterus, grape-like cystic material, HCG elevated

malignant, derived from HM, pregnancy, abortion, HCG elevated
Compare and contrast a complete hydatidiform mole with a partial hydatidiform mole
no embryo, no placenta
46, XX exclusively paternal origin

present embryo and placenta
triploid or tetraploid karyotype
Compare and contrast fibrocystic change with breast cancer
bilateral
multiple nodules
cyclic variation
may regress with pregnancy

unilateral
single mass
no cyclic variation
What is a cystosarcoma phyllodes?
benign breast tumor
rapidly growing, may become HUGE
arises from the periductal stromal cells of the breast
In what population are you likely to see Paget's disease of the nipple? What is the prognosis? What is it exactly?
older women
poor prognosis
a malignant condition that outwardly may have the appearance of eczema, with skin changes involving the nipple of the breast (Paget's cell normally compose the skin of the nipple)
What is Waldenstrom's macroglobulinemia?
aka lymphoplasmacytic lymphoma is cancer involving lymphocytes. Excess light chains are produced (AL)
What are the following tumor markers associated with what disease:
5'-HIAA
CA 19-9
CA 125
CD 25
CD 30
Neuron-specific enolase
B-hCG
carcinoid
colon, pancreatic, breast
ovarian
hairy cell leukemia, adult T cell leukemia
Hodgkin's disease
small cell lung CA, neuroblastoma
pregger, hydatidiform mole, choriocarcinoma
Clinically define the following glycogen storage diseases:
Von Gierke
Pompe
McArdle
(MC) glucose-6-phosphatase deficient; impaired ability of liver to produce free glucose from glycogen and from gluconeogenesis
lysosomal acid alpha-glucosidase deficient; damage to mm and nn myophosphorylase deficient; presents in the 30-40s
Regarding the AB bloods antigens on RBC's, where else in the body are the AB antigens expressed?
endothelium, epidermal cells, intestinal cells, leukocytes and platelets
FF: AB antigens elicit IgM antibodies, causing intravascular hemolysis
yup
FF: Rh antigens elicit IgG antibodies, as opposed to AB antigens which elicit IgM antibodies, causing EXTRAVASCULAR hemolysis, again as opposed to AB antigens which cause intravascular hemolysis.
whew
What is the difference between Direct and Indirect Coomb's test?
Direct - Pt's RBCs tested with Coomb's reagent; tests for any autoimmune hemolysis
+ test = if patient is hemolyzing, Coomb's reagent binds to the IgG attached to the RBCs, causing agglutination
Indirect - patients serum is added to foreign cells; detects atypical Abs in patients serum
So you messed up and gave a blood type A patient type B blood, whatcha guna do?
STOP INFUSION, treat with diuretics + fluid overload to prevent acute tubular necrosis and oliguric renal failure
What is the inheritance pattern in familial hypercholesterolemia and define?
AD; abnormal LDL receptor-->unable to process cholesterol in the liver; results in atherosclerosis (risk of CAD and strokes)
What is the inheritance patten in hereditary spherocytosis?
AD; defect in spectrin
What are the four types of phacomatoses aka neurocutaneous sds?
NF1
NF2
tuberous sclerosis
von-Hippel lindau
What is the clinical picture of NF1 "von-Recklinghausen disease"
neurofibromas, optic nerve gliaomas, Lisch nodules, cafe au lait spots; d/t loss of NF1 gene on chm 17
What is the clinical picture of NF2 "acoustic neurofibromatosis"
bilateral schwannomas, multiple meningiomas, hearing deficits; d/t loss of NF2 gene
What is the presentation of tuberous sclerosis?
hamatromas and benign tumors of the brain-->brain surface looks like potato with "eyes"
cysts of liver, kidney, pancreas
MR
facial angiomas
cutaneous lesions
What is the presentation of von-Hippel Lindau and what is the patient most at risk for developing?
capillary hemangiomas in cerebellum and retina
cysts of liver, kidney, pancreas
HIGH risk of renal cell carcinoma
What is Fabry disease? What causes it? Clinical presentation?
type of sphingolipidosis; X-linked recessive
alpha-galactosidase decreased
presents with angiokeratomas (wart-like growths with telangiectasias) and renal failure
What is the classic triad in Wiskott-Aldrich syndrome?
otitis media, eczema, thrombocytopenia
associated with IgM dysfunction
What are the three "itis'" in Reiter's syndrome?
conjunctivitis, urethritis, arthritis
associated with HLA-B27
What are the common causes of osteomylelitis in the following populations:
general
diabetics and sickle cell
IV drug users
staph aureus
samonella spp.
serratia and pseudomonas
ok, what is the drug treatment for samonella vs shigella
Samonella - ceftriataxone or any quinolone
Shigella - azithromycin or any quinolone
What condition can cause both hematemesis and melena
duodenal ulcer
What are the four types of nephropathys associated with SLE?
mesangial - WHO II - MC & mild - transient proteinuria, proliferation of mesangial cells
focal proliferative nephritis - WHO III - proteinuria +hematuria + proliferation of mesangial cells + endothelial proliferation
diffuse proliferative nephritis - most severe - WHO IV - nephrotic sd, gross hematuria, mesangium, endo/epithelium proliferation, renal failure, hypertension
membranous GN - WHO V - nephrotic sd, endo thickening, sub-epithelial immune complex deposits
Briefly describe the following phagocyte disorders:
Job's sd
Chediak-Hagashi sd
Chronic granulomatous disease
deficient gamma-interferon; sinopulmonary infections, candidiasis, cold abcesses
impaired microtubules limiting WBC movement; bacterial/viral infections, partial albinism
deficient NADPH oxidase in macrophages and neutrohils; granulomas, recurrent bacterial/fungal infections, yellow NBT test
For a patient needing penicillin who is allergic, what is the alternate treatment?
erythromycin, a macroglide that inhibits protein synthesis
Does penicillin cross the placenta? Is it tetratogenic?
it does and is not tetratogenic. Kudos.
What are the three mechanisms that penicillins produce an antibiotic effect in actively growing organisms?
bind to PBP in the periplasmic space where they accumulate
inhibit transpeptidases which inhibit the cross-linking of the peptidoglycan "mesh" wall
overstimulation of autolysins with damage the cell wall and lyse the bacterium
What is the MOA of amantadine? When (time) is optimal for dosing? What limits its use?
antiviral
impairs viral uncoating; within 48 hours of symptom onset (before maximal uncoating has occured; enormous resistance
MOA for interferon? DOC in what conditions?
antiviral
induce host cell response that inhibits RNA translation and induces MHC-1 expression; chronic HBV/HCV infections and hairy cell leukemia
MOA of ribavirin, DOCs
antiviral
becomes phosphorylated to mimic GTP to block viral mRNA synthesis
DOC for chronic HCV and adult measles
What viruses are susceptible to acyclovir and why?
HSV-1, HSV-2, VZV, and EBV
these viruses contain THYMIDINE KINASE which phosphorylates acyclovir to "ATP"-->inhibits DNA polymerase
MOA for vidarabine
antiviral
sequential phosphorylation-->"ATP" inhibiting DNA synthesis
treats all herpes groups in immunocompromised patients
MOA for ganciclovir, DOC, adverse effects
antiviral
viral thymidine kinase not required
CMV retinitis
bone marrow supression resulting in neutropenia or aplastic anemia
What is the appearance of the tongue with the following deficiencies:
B2 (riboflavin) deficient
B12 (cobalamin) deficient
scarlet fever
measles
glossitis, cheilosis
smooth beefy red tongue
strawberry tongue
Koplik's spots (white dots with red backround)
Which esophageal diverticula involves all layers of the esophagus?
traction diverticula, usually in the mid esophagus, no symptoms
For the following types of gastritis, name a causative agent/appearance:
acute erosive
chronic type A
chronic type B
Menetrier's
focal damage - alcohol, NSAIDS
fundal gastritis - autoimmune, pernicious anemia (loss of partial cells)
antral gastritis - H. pylori
thickened mucosa (rugae look like brain gyri)
Which bacteria are cause toxigenic gastroentritis? Invasive?
campylobacter, E. coli, salmonella
shigella
The following diseases present always with polyps and "something" else that aids in diagnosis. What is the "something" else:
Gardner's
Turcot's ("turbans")
Peutz-Jegher's
+ skin and bone tumors
+brain tumors
+melanin pigments on lips, palms and soles
Got to be able to distinguish Crohn's from UC
rectum spared, ilium involved
skip lesions (cobblestoning), transmural
granulomas, strictures/fissures
MORE PAIN, LESS BLEEDING

begins at rectum, progresses to IC junction
continuous, mucosa/submucosa
crypt abscesses, pseudopolyps
risk of colon cancer, toxic megacolon
MORE BLEEDING, LESS PAIN
What is the clinical presentation of Whipple's disease? Treatment?
malabsorption + anemia + arthritis
d/t T. whippeli
PAS + macrophages in mucosa
penicillin or tetracycline
What population is most likely to present with a cholesterol stone? Pigmented (bilirubin)?
fat, female, forty, fertile, honkey
Asians a/w hemolytic anemia
What is Charcot's triad?
signs of cholangitis
acute onset fever with sepsis
RUQ pain
jaundice
What are the differences in gall bladder and bile duct carcinoma?
gallbladder:
female,cholelithiasis
porcelain GB (calcium deposits in wall)

bile duct:
male
chronic infections
liver fluke (C. sinensis)
The following are examples of what?
Gilbert
Crigler-Najir
Rotor
congenital causes of jaundice
What in the defect in congenital Rotor's jaundice?
impaired hepatocellular secretion
Got to be able to diagnose the various types of hepatitis. Let's get this done:
A
B
C
D
E
virus in poop, acute IgM abs, late IgG abs, 2-6 week incubation

break in skin/mucous membrane, HBs-Ag earliest marker also carrier state, HBe-Ag = infective state, 2-6 month incubation period

break in skin/mucous membrane, antibody ELISA, 1-2 month incubation, most likely to be CHRONIC

break in skin/mucous membrane,incomplete RNA requires Hep B for replication

fecal oral, South East Asia, acute and intense/severe
So hepatitis B has some, of course, complicated serology. What do the following markers indicate?
HBe-Ag
HBs-Ag
anti-HBs-Ag
anti-HBc-Ag
appears after HBs-Ag and before HBs-Ag disappears, indicates infectivity!

appears before symptoms, lasts about 4 months, if more than 6 months = carrier state

appears a few weeks after Hbs-Ag disappears, indicates recovery and immunity

only marker present in the "window period" time after HBs-Ag disappears, but before anti-HBs-Ag is detectable
What does cirrhosis look like in the following?
alcohol
toxins/viral
biliary
early: micronodular
late: macronodular
Mallory bodies in acute hepatitis (swollen hepatocytes that contain cytoplasmic inclusions of fibrillar protein)

macronodular

micronodular, autoimmune disease or anti-mitochondrial abs
Primary hepatocellular carcinoma has an elevated ______.
AFP
Define Heberden's nodes and what condition are they present in?
osteophytes at the distal interphalangeal joints
osteoarthritis
What is Still's disease
juvenile RA, acute fever, no rheumatoid factor
What is psoriatic arthritis
similar to RA without rheumatoid factors
What is Felty's syndrome
multiple joints affected with RA, enlarged spleen, low WBC, leg ulcers
What is the serology like in the following:
osteoporosis
osteomalacia
Paget's
normal calcium and phosphate
normal alkaline phosphatase
just decreased bone mass

low calcium and phosphate
high alkaline phosphatase (chewing up bone)
impaired mineralization d/t CRF-->lack of vit. D

extremely high alkaline phosphatase, excessive bone reabsorption
large and deformed bones with "mosaic pattern"
What are the key features of chondrosarcoma?
malignant
commonly found at spine and pelvic bones
slower growing that osteosarcoma
An osteoid osteoma presents how?
benign and painful mass in the diaphysis of long bones
Highly malignant, localized to metaphysis of long bone, and Codman's triangle are all key features of what?
osteosarcoma
Codman's triangle - a triangular area visible on X-ray where the periosteum, elevated by a bone tumor, rejoins the cortex of normal bone.
What degenerative CNS disease presents with pes cavusm loss of proprioreception, + Babinski, and spinal cord atrophy?
Friedreich's ataxia
pes cavus - abnormally high foot arch
How does Cushing's cause osteoporosis?
hypercortisolism induces a condition of hyperstress that impairs the body's repair mechanisms which become secondary
Bleeding disorder with a prolonged aPTT and d-dimer?
DIC
Patient presents with fever, chest pain, and headache. Blood work positive for low hemeglobin, high retic count and elevated lactate dehydrogenase. Most likely dx?
TTP
autoimmune in origin
possible result with clopidogrel, quinine or interferon a treatment
LDH = indicates ischemic organ damage
Patient presents with bilateral anesthesia of the hands, dehydration, and acidosis after a brisk run from the po-lice. What is the amino acid substitution responsible for his condition?
valine for glutamate in the beta hb chain and the 6th position
sickling crisis
117 year old patient presents with jaundice, leg ulcers, and splenomegaly. What is the defect in his globin chains?
decreased synthesis of beta chains
he has B-Thalassemia
Major B-thallassemia is also known as what and presents how?
Cooley's anemia
severe microcytic anemia
Patient presents with nausea, vomiting, diarrhea, and fatigue after consuming 46 sushi rolls containing raw fish. Likely agent? Possibility to cause? Tx?
infection with Diphyllobothrium lantum (fish tapeworm)
B12 deficiency
treat with praziquantel
What is the role of B12 and folate, respectively in DNA synthesis?
B12 - converts methyl-tetrahydrofolate to tetrahydrofolate. In the process converts homocysteine to methionine (deficiency would show a buildup of homocysteine)

folate - converts dihydrofolate to tetrahydrofolate
Patient presents with microcephaly, light brown patches on skin, and recurrent aplastic anemia. PE small weird thumbs. What is the MOA of this disease and what is he/she at risk of?
this is Fanconi's anemia
inability to remove oxygen radicals from bone marrow
HIGH risk of leukemia or lymphoma
High serum levels of homocysteine and methylmalonic acid will be increased in ___________? Only an increased in homocysteine?
B12 deficiency
folate deficiency
In iron deficiency in the elderly is considered to be d/t what until proven otherwise?
Colon cancer
Patient presents with obvious abnormal blood smear. Weirdly, you see Burr cells (echinocytes) and spur cells (acanthocytes). What are these cells associated with?
Burr - uremia (echinocytes) look for renal problems in stem
Spur - abetalipoproteinemia (deficient B48 and B100)
B48 - synthesis of chylomicrons
B100 - exporting chylomicrons
Patient presents with hepatosplenomegaly, anemia, frontal bossing, target cells on smear, and hypercellular marrow on X-ray. Dx?
B-thalassemia
Frontal bossing d/t extramedullary hematopoiesis
DOC for most fungal infections and specifically thrush.
fluconazole
Common and severe adverse reactions to drug class Imidazole?
hepatotoxic
anti-fungals
Pt presents with red, itchy vagina with cheesy discharge. DOC
miconazole
Fungal infection that likes to infect the sinuses, lung and brain. DOC
mucormycosis
amphotericin B
DOC, patient has respiratory difficulties and PN "fungus ball" in lungs on xray
amphotericin B
Patient presents with itchy pale spots over the trunk and proximal extremeties. Treated with drug and now experiencing low libido and is easily fatigued. What was he treated with?
treated with ketoconazole for tinea versicolor
AE decreased testosterone and cortisol
You are treating an immunocompromised patient with cryptococcal meningitis and notice pancytopenia on blood smear. What drug were you treating with?
5-flucytosine
potential to cause bone marrow depression
A patient is being treated at a free clinic for a fungal nail infection and presents with significant photosensitivity rash after a day in the sun, what drug was used?
griseofluvin
additionally causes disulfiram-like reaction and is hepatoxic
SAT for a photo: Sulfonamides, amioderone, tetracyclines
(griseofluvin is a sulfonamide)
What is the cause and treatment of renal osteodystrophy?
chronic renal failure
Aluminum to bind phosphate
What is the cause of bronze diabetes?
hemochromatosis
chronic pancreatitis/pancreas carcinoma
islet cell destruction
What the heck is a MEN?
Multiple endocrine neoplasia
Autosomal dominant with variable penetrance d/t a loss of tumor suppressor gene
What are the three types of malignant skin tumors and a little info about each
basal cell carcinoma - pearly gray papule
squamous cell carcinoma - red, scaly or oozing (Bowen's disease = SCC in situ)
melanoma - brown, black, irregular borders
Toxins, prob going to be at least one question right?
cadmium
cobalt
chromium
lead
mercury
arsenic
asbestos
aromatic amines
benzene
vinyl chloride
alpha-amanitin
CO
cyanide
"honeycomb" pneumonitis
cardiomyopathy
lung cancer
anemia; renal tubular acidosis
neurotoxic; PCT necrosis
lung cancer
mesothelioma
bladder cancer
leukemia
liver angiosarcoma
fulminant hepatitis
forms carboxyhemoglobin
loss of oxygen utilization (inhibits mitochondria)
Special stains. Gotta know em':
Ziehl Neelsen
india ink
giemsa
PAS
prussian blue
congo red
osmic acid
************************
stains acid fast bacteria RED
cryptococcus
blood smears
glycogen, mucopolysaccharides
iron
amyloid
electron microscopy
Strep viridans hangs out where on the body?
nasopharynx and mouth (risk of endocarditis after dental procedures)
What is contained in the cell walls of spores that make them so resistant?
dipicolinic acid (keratin coat)
Autoimmune mediated demyelinating disease that occurs in the peripheral motor nerves following a viral infection
Guillain-Barre disease
Clinical presentation of patient with eunuchoid pituitary hypofunction
gonadotropin deficient (common)
hypogonadism, primary amenorrhea
describe Plummer's nodular toxic goiter
hyperthyroidism, hyperplasia and hypertrophy, colloid accumulation
List the typical MEN 1 and MEN 2A
MEN 1
primary hyperparathyroidism
ZE syndrome
pituitary tumors

MEN 2A
bilateral medullary carcinoma of thyroid
bilateral phenochromocytoma
primary hyperparathyroidism (rare)
Name three high yield facts to differentiate Hodgkin's disease from non-hodgkin's lymphoma
Hodgkin's disease:
leukocytosis of PMNs
present Reed-Sternburg cells
contiguous spread

non-hodgkin's lymphoma:
widespread adenopathy
hypercalcemia
HEPATOSPLENOMEGALY
What are the products of myeloma cells in MM? (3)
excess IgG or IgA, and excess light chains
osteoclast activating factor = IL-6 (produces osteolytic lesions)
IL-1 = potent osteoclast activator
Patient presents with fatigue, weakness, skin and mucosal bleeding, and visual problems. Blood smear reveals "flame cells"
Waldenstrom's primary macroglobulinemia (hyperviscous blood d/t over production of IgM)
What are the features associated with the following:
atherosclerosis
Monckeberg's
hyperplastic artheriolosclerosis
hyline arteriolosclerosis
d/t high LDL-cholesterol present foam cells
lumps of calcium deposits MC in radial and ulnar arteries
"onion skinned" appearance on small arteries and arterioles d/t high BP
results from inflammation and use
Quick description of the following and what type of arteries do they affect:
Wegener's
Henoch-Schonlein
Hypersensitivity arteritis
Churg-Strauss
Microscopic polyangitis
Thromboangiitis obliterans (Buerger's)
Small vessels
granulomas in vessel walls; sinusitis and GN
~hypersensitivity arteritis with IgA IC deposits, kids, palpable purpura on butt, joint pain
hypersensitivity d/t drugs, tumors, HCV, EBV, HIV, +p-ANCA, painful pruritic papules on butt
granulomas in blood vessels, skin, LUNG AND HEART, recurrent asthma-like attacks + lung infiltrates, hx of asthma
severe GN, or pulmonary capillaritis
reaction to tobacco seen in the tibial and radial arteries-->possible gangrene
Fever, fatigue, temporal headache, HI ESR, jaw claudication
Giant cell arteritis
night sweats, chest pain, weak peripheral pulse in upper extremity
Takayasu arteritis (aortic arch syndrome)
fever, conjunctivitis, maculopapular rash on hands and soles, coronary aneurysms. tx
Kawasaki
IVIG + asprin
phlebitis causing painful oral and genital ulcerations (opps, it actually wasn't herpes)
Bechet's syndrome
+anti-human oral mucosa antibodies
obliterative endarteritis of the vasa vasourm of the thoracic aorta, "tree barking" of the intima, +/- aortic regurg
luetic aneurysm d/t tertiary syphilis
Regarding aortic dissections there are two, of course, classification systems:
Stanford
A
B
DeBakey
1
2
3
heck my life
anywhere on ascending aorta
NOT involving ascending arota

anywhere on the ascending/descending aorta
NOT involving descending aorta
Same as B - NOT involving ascending aorta
dyspnea, recurrent persistent cough, aortic regurg with declining vitals
aortic arch aneurysm
Heart sounds, HIGH YIELD all day:
aortic stenosis
aortic regurg
mitral stenosis
mitral regurg
mitral valve prolaspe
harsh systolic murmur
blowing diastolic murmur
harsh diastolic murmur
blowing systolic murmur
midsystolic click
defect next to AV valve
defect of fenestrated fossa ovale (90% of ASDs)
ostium primum
ostium secundum
VSD + subpulmonic stenosis +overriding aorta + RVH
Tet of Fallot
aorta to right ventricle
pulmonary artery to left ventricle
Transposition of great arteries
great vessels are not separate-->one vessel
persistent truncus arteriosus
reversal of a L-R shunt to a R-L shunt with the development of pulmonary hypertension
Eisenmengers syndrome
Where do infant and adult type of coarctations of the aorta occur?
infant = preductal
adult = postductal
with respect to the patent ductus arteriosus/ligamentum arteriosum
petechiae, episiaxis, CNS and GI bleeds
thrombocytopenia
petechiae, purpura, epistaxis, normal white and red cell morphology
ITP, kid after URI, self limiting
intravascular hemolytic anemia, renal failure, thrombocytopenia, fever, neurologic changes
TTP
acute renal failure, bloody diarrhea, abdominal pain, seizures, acute thrombocytopenia
HUS
Most cases are preceded by an episode of diarrhea caused by E. coli O157:H7
hemolytic anemia & thrombocytopenia d/t IgG autoantibody destruction
Evan's syndrome
chronic, severe mucosal bleeds and GIANT platlets on blood smear
Bernard-Soulier syndrome (AR)
d/t defective GpIb receptor
hemearthrosis (bleeding into joints), easy bruiser, prolonged aPTT, normal PT and BT
Hemophilia A
you just gave a drug for the first time and it caused acute skin necrosis d/t capillary thrombosis? What was drug? Mechanism?
coumadin
coumadin interferes with the synthesis of protein C (which has a short lambda)
precursor to acute leukemia?
myeloproliferative diseases
headache, vertigo, dilopia, retinal hemorrhages, splenomegaly, and pruritus after shower?
polycythemia vera
disease of exclusion, huge platelet count, splenomegaly, ecchymosis
essential thrombocythemia (clonal proliferation of MKC
massive hepato/splenomegaly, teardrop and Howell-Jolly bodies. Keys to dx: extra medullary hematopoiesis and hypercellular marrow on Bx
idiopathic myelofibrosis
DOC malaria prophylaxis cholroquine sensitive and pregnant
chloroquine
forms of malaria that form hypnozoites
vivax and ovale
require primaquine
DOC malaria prophylaxis in chloroquine resistant areas.
Pregnant?
atovaquone/proguanil
mefloquine
DOC treatment of chloroquine resistant falciparum
quinine + dox, tetra, clind (if preggers)
DOC tx for chloroquine resistant Vivax
quinine + dox or tetra +primaquine
FOUR ways chloroquine heckks up plasmodia's day:
turns food (heme) into poison
lyse plasmodia and infected RBC's
alkalizes food vacule (normally acidic) = starves
inhibits DNA synthesis
DOC trichomonas vaginalis and entamoeba histolytica
metronidazole
bitten by sandfly, mucous and cutaneous ulcers. DOC
leishmaniasis
stibogluconate - inhibits protozoa glycolysis
TMP/SMX in use with parasites?
pneumocystis jiroveci
toxoplasma enchphalitis
inhibits folate use-->no DNA synthesis
DOC for strongyloides aka worm that lays larvae in soil, intestinal infection, vomiting, diarrhea
Ivermectin
Bleeding deficiency after broad spectrum abx often results in Vit K deficiency
FF
30 pt presents with anemia, splenomegaly, and jaundice. Negative direct Coomb's test
Hereditary spherocytosis
toxins are probably important. For the following give the mechanism of how it hecks up your day:
tetanus
botulinum
diptheria
alpha
toxic shock syndrome
cholera
pertussis
enterotoxin
X release glycine-->mm spasms
X release ACh-->mm paralysis
X protein synthesis
hemolysis, necrosis, cell death
induce cytokines-->anaphylactic shock
stimulates adenylate cyclase (Gs)
stimulates adenylate cyclase (Gi)
HLabile - adenylate cyclase
HStabile - guanylate cyclase
most likely causes of pneumonia in the following age groups:
infants
young adult
elderly
RSV
mycoplasma
strep. pneumoniae
MLC of bacterial meningitis in the following age groups:
neonates
adults
elderly
e. coli, strep. agalactia, listeria
nesseria meningitis
strep. pneumoniae
MLC diarrhea in the following age groups:
children
adults
travlers
rotavirus
campylobacter
e. coli, shigella, salmonella
identify the bacteria based on their pattern of hemolysis:
clear halo
green halo
no hemolysis
beta-hemolytic strep (strep. pyogenes)
alpha-hemolytic strep (pneumococcus)
gamma-hemolytic strep (enterococci)
gram + rod, "fried rice" poising, cutaneous form = black ulcers
bacillus anthracis
the toxins of cl. perfringens (a-toxin and enterotoxin) cause what, respectively?
a-toxin - "lecithinase" = gas gangrene
enterotoxin - food poisoning
forms abscesses in organs, common cause of gram-negative abdominal infections
B. frag
non-bloody, rice watery diarrhea
V. cholera
diarrhea from raw seafood
V. parahaemolyticus
watery, stinky poops, later may become bloody. MCC diarrhea USA
campylobacter
influenza like infection, large tender lymph nodes, rabbits>tics>humans
francisella (tularemia)
kid presents with a whooping cough. You suspect infection with bordetella. MOA toxin and tx
pertussis toxin - ADP-ribosylates inhibitory Gi-->permanent activation of adenylate cyclase
erythromycin best in catarrhal stage
presents with respiratory infection. X-ray reveals lung lesion + calcified hilar lymph node
TB
following a tooth extraction, pt presents with inflamed sinuses with surface discharge, hmm..are those sulfur granules I see?
actinomyces
"lump jaw"
recent trip to South America, presents with severe headache, fever, retro orbital pain, lumbar and joint pain.
Dengue fever
transmitted via mosquito
trichophyton rubrum causes tinea pedis
heckn smelly feet
Apparently hepatitis viruses are not all the same. Describe the following:
naked capsid RNA piconavirus
enveloped DNA hepadnvirus
enveloped RNA flavivirus
enveloped circular RNA (defective virus)
naked capsid RNA calicivirus
A
B
C
D
E
interuterine growth retardation. upon birth she is found to have cataracts, hearing loss, hepatosplenomegaly, and PDA.
congenital rubella
Mom most likely had a truncal rash during pregnancy
Strep. pyogenes (group A)
other strep. (groups B-T)
beta-hemolytic (clear halo)
pneumococcus
strep, viridans
alpha-hemolytic (green halo)
enterococci (group D)
gamma-hemolytic (no hemolysis)
3 y/o pt presents with fever, fatigue, anemia, petechiae, and recurrent infections. Lab - leukocytosis
ALL
MC neoplasm in kids
adult pt presents with fever, fatigue, pallor, recurrent infections, and splenomegaly. Lab - red staining needle like projections in myeloblasts
AML
Two cell types implicated in the theory of atherosclerosis
platelets and macrophages
pt presents with mental status change, papilledema, anuria, lower extremity edema, and JVD. Ddx?
hypertensive emergency - HTN with evidence of end organ damage
tx with nitroprusside or labeatol (DO NOT LOWER TOO QUICKLY, PT WILL HAVE A STROKE)
DOC in various forms of HTN:
HTN emergency
no comorbid HTN
diabetic HTN
post MI
osteoporosis
BPH
phenochromocytoma
nitroprusside or labetalol
diuretics or beta blockers
ACE/ARB
beta blockers and ACE
thiazide diuretics
alpha blockers
alpha blockers
Beta blockers in diabetics have what negative effects?
alters pt perception of hypoglycemia
increases K+ levels
tight control of glucose in the diabetic does not reduce the risk of coronary artery disease
tough luckfatties
ST depression and eventual conduction block in a MI is d/t what cellular activity?
K+ leaks out out of ATP-K+ channel
Two types of patients that will not present with the classic signs of a MI when they are experiencing one
Old farts
diabetic with neuropathies
patient is not having a good day and had an MI in the following locations. For each, declare the artery supply:

Anterior wall of left ventricle and anterior 2/3 of septum
Lateral free wall
Right ventricle, inferior wall of left ventricle, posterior 1/3 of septum
sinoatrial and AV nodes
LAD
left circumflex aa
RCA
RCA (tends to cause bradycardia 2nd to heart block)
pt presents 8 days after an anterior MI with chest pain. ECG shows ST elevation. Whats the deal
ventricular aneurysm (10-20% pf pts)
arrhythmia or rupture -> Dead
what type of infarct does not present with the standard ST elevation and Q waves?
subendocardial
T-wave inversion with or without ST depression
S. aureus MCC of necrotic endocarditis
IV drug users = right sided valve vegetations
Physical exam time. For each of the following positions, name what cardiac defect it aids in dx:
lean forward while seated, exhale, hold breath
valsalva
lay on your left side
standing
squatting
aortic insufficiency (regurg)
mitral valve prolapse
mitral stenosis
standing decreases ventricular filling and increases the murmurs of MVP and IHSS
mitral and aortic valve insufficiencies
pathologic heart sounds:
occurs in late diastole d/t atrial contraction forces blood into a stiffened ventricle (ventricular hypertrophy or MI)

failure of aortic and pulmonary components of S2 to fuse during expiration usually d/t ASD

d/t backup of blood in the venous system that leads to faster than normal ventricular filling. Heard best over the apex of the lung with the bell while the pt is in the lateral recumbent
S4
Fixed S2 split
S3
a serum increase in VLDLs and chylomicrons in PN for what
combined hyperlipidemia
ECG me:
Peaked T waves, wide QRS complex, long PR interval, no P waves

Flat T waves, U waves, ST segment depression
Hyperkalemia

Hypokalemia
treatment for hyperkalemia
IV Ca++, insulin, albutero, sodium bicarb, K+ binding agent
Drugs that end with -osine/-udine are what class of drugs and MOA
nucleoside reverse transcriptase inhibitors (NRTIs)

drug become phosphorylated 3X and becomes involved in DNA production. Punchline = inhibits reverse transcriptase
NNRTIs work how
do not mimic normally occurring nucleosides, but indirectly inhibit RT

efa-vir-enz
nev-ir-apine
del-avir-dine
Drugs that end (generally) -avir are what class and MOA
protease inhibitors
prevent viral proteins from being cleaved into a functional product
a drug used in HIV that prevents the fusion of HIV virus to host cell by inhibiting gp41
fusion inhibitors
enf-uvir-tide
drug that blocks the integration of viral HIV DNA into host DNA
integrase inhibitor
ral-teg-ra-vir
the drug mara-vir-oc blocks the CCR5 receptor on WBC targeted by HIV
its uh kinda toxic, hepatotoxic, MI, and some cancers
What are the indications for starting HIV therapy, besides being HIV+
AIDS defining illness
CD4 <350
hep B
pregger
Treatment for cryptococcal meningitis in HIV patient
amp B + flucytosine
once stable..
transition to fluconazole, continue until CD4 count > 100-200 for 6 months
Treatment for mycobacterium avium complex (MAC) in HIV
clarithromycin and ethambutol
MOA of TMP/SMX and use in HIV prophylaxis
sulfa part competes with PABA for dihydropteroate synthase X folate synthesis
trimethoprim portion inhibits folate use
tx and pro for pneumocystis (pro CD4<200)
pro for toxoplasmosis
DOC histoplasmosis prophylaxis in HIV pt CD4<150 that live in endemic area (eastern and central US)
it-ra-con-azole
DOC coccidioidomycosis prophylaxis in HIV pt with CD4<250 that live in endemic area (southwest US)
fluconazole or itraconazole
pulmonary edema, dyspnea of exertion, orthopnea, trouble breathing while laying down are all sx of...
left sided heart failure leading to CHF
MMC of right sided heart failure
left sided heart failure
ACE inhibitors and beta-blockers are cardioprotective because they prevent __________.
cardiac remodeling
currently treating a cardiac patient with drug X and a loop/thiazide. Patient becomes hypokalemic, develops SVT, AV block, and complains of yellow vision
X - digitalis
Which two cardiomyopathies can't relax and chill "diastolic disease"
hypertrophic
restrictive
pt presents with fever, jaundice, uremia, and bleeding. Pt admits to drinking sewer water and basting in water contaminated with rat urine and feces.
L. interrogans
leptospirosis
tx with pen G
Chlamydia:
intracellular
can't make ATP
can't live outside
no peptidoglycan in cell wall
C.pneumoniae - walking pneumonia adults
C.trachomatis - urethritis, lymphogranuloma venereum (tender inguinal nodes that may drain pus through skin), trachoma (chronic conjunctivitis -->blindness)
tx all strains with TETRACYCLINE
pickle weasel
Rickettsial rash: starts on the hands and feet
Typhus rash: starts on the trunk and moves outward (no involvement of the palms and soles)
Q fever: no rash, no vector, negitive Felix test
Rickettsia
provide the vector for the following:
Typhus:
prowazekii
tyhi
tsutsugamushi

rocky mountain spotted fever
Q fever
trench fever
lice
fleas
mite

ticks
inhalation at slaughter houses
lice
late systolic murmur with midsystolic click is know as _________syndrome, which predisposes pt to regurgitation
Barlow's
seen in severe MVP, rheumatic fever, papillary mm infarct. ECG - P wave depression in V1 indicating left atrial enlargement
mitral regurg
dilated left atrium d/t increased left atrial pressure resulting in pulmonary edema and dyspnea
mitral valve prolapse
Ortner's syndrome is d/t impingement of the __________ _________ __ by an enlarging left _________ leading to ________.
recurrent laryngeal n; atrium; hoarsness
pt presents with exertional dyspnea, orthopnea (SOB lying flat), and pulmonary edema. Murmur is amplified when patient is in left lateral decubitus
mitral stenosis
Mitral stenosis causes a decrease in CO, why is it that positive inotropic drugs are not used in treatment?
decreased CO is not d/t ventricular failure
Holy eponyms for aortic regurg, free points I guess:
Water-hammer pulse
Traube's sign
Corrigan's pulse
Quincke's sign
de Musset's sign
Muller's sign
Duroziez's sign
wide pulse pressure with forcefull arterial pulse upswing with rapid fall-off
pistol-shot bruit over femoral aa
large Carotid pulsations
blanching and reddening of the fingernails upon light pressure
head bobbing d/t carotid pulsations
pulsatile bobbing of uvula
fickle murmur over femoral aa heard best with mild pressure
Low pitched mid-to-late diastolic (filling) rumble
mitral stenosis
Late systolic murmur with mid-systolic click
Barlow's syndrome
Holosystolic murmur radiates to axilla. S3
Mitral regurg
diastolic rumble louder in inspiration
tricuspid stenosis
blowing holosystoloic murmur best at left sternal boarder. Jugular and hepatic pulsations
tricuspid regurg
midsystolic crescendo-decrescendo murmur at the second right intercostal space, radiates to carotids and apex, with S4 atrial kick
Aortic stenosis
Blowing early diastolic murmur at left sternal boarder, apical diastolic murmur d/t valve flutter (Austin-Flint), midsystolic flow murmur at base
aortic regurg
loud S1, wide fixed-split S2, midsystolic ejection murmur
ASD
harsh holosystolic murmur, heard best over left intercostal space
VSD
Continuous murmur heard over the collateral vessels in the back
coarctation of aorta
Pulmonary stenosis is seen in adults with carcinoid syndrome/tumor
whoda thunk it
I have a meeting with DaMann later. Who's DaMann you may ask?
Nick Costanza
High pitched diastolic murmur at left sternal boarder, mimicking aortic regurg
Graham Steell murmur
d/t pulmonary regurg
pt presents with splenomegaly, splinter hemorrhages in finger nails, painful red nodules on fingers (Osler's nodes), retinal hemorrhage (Roth spot's), and dark macules on palms/soles (Janway lesions). Textbook dx?
Endocarditis
endocarditis d/t S. bovis or C. septicum are commonly seen with GI cancer
check em out
What are the HACEK organisms that cause culture negitive endocarditis (d/t being fastidious)?
Hemophilus aphrophilus
Actinobacillus actin.
Cardiobacterium hominis
Eikenella corrodens
Kingella kingae
Cancer seeding heart valves during metastasis, malignant emboli can cause cerebral infarcts
Marantic endocarditis
In addition to presenting with 2 of the following:
Joints (migratory polyarthritis)
Carditis
Nodules (SubQ)
Erythema marginatum
Sydenham's chorea (St. Virtus dance)
What else is required to dx rheumatic heart disease?
Evidence of prior strep infection by wither culture or + antistreptolysin antibody titers
SLE patient presents with sx consistent with damaged heart valves. If it is d/t Libman-Sacks, what are the vegetations composed of?
antigen-antibody complex
A transmural MI or Dressler's syndrome (pericarditis 2-4 weeks after acute MI or heart surg. May be autoimmune to myocardial antigens) 2ndary to heart damage) causes what type of pericarditis?
fibrinous
Coxsackie B, uremia, acute rhumatic fever, scleroderma, and SLE can cause what type of pericarditis?
serous
Type of acute heart disease d/t a hypersensitivity reaction where immune complexes are targeted at heart valves d/t molecular mimicry
Rheumatic heart disease
Recurrent bacterial infections that lead to bronchiectasis. Other sxs sinus inversus, male sterility, and hearing deficits
Kartagner syndrome
Middle aged male presents with HIGH fever,relative bradycardia, diarrhea, productive cough, and rales on auscultation. ddx?
legionnaire's disease
What do the following have in common:
free hb (from massive hemolysis)
myoglobin (from rhabdo)
ethylene glycol
aminoglycosides
amphotericin B
cisplatin
potential causes of acute tubular necrosis
definition of pulsus paradoxus and name a condition it is seen in. Also what PN ECG change is seen?
>10mm HG in BP during inspiration
electrical alternans - a beat-to-beat change in QRS height
distant heart sounds, JVD, hypotension, and ST elevation in all leads + pleural rub are all classic signs of what?
pericarditis
Why is aortic dissection not considered a true aneurysm?
the tunica media dissects, forming a false lumen
pt presents with abrupt onset anterior chest pain that radiates to back, lower BP in one arm, absent pulses, and widened mediastinum on CX-ray
aortic dissection
tx; emergently lower BP, surg
pulmonary HTN leads to a R-->L shunt causing cyanosis (lack of blood flow to the lungs), systemic embolization d/t paradoxal emboli (venous emboli that bypass the lungs and enter systemic circulation. Dx?
Eisenmenger's complex
small VSD with left parasternal thrill and loud holosystolic murmur at the 4th intercostal space. Endocarditis prophylaxis necessary
Maladie de Roger syndrome
What congenital heart defect is treated with the NSAID indomethacin to inhibit prostaglandins. Increased incidence with premature births.
PDA (connection of pulmonary aa to descending aorta)
Congenital heart defect that predisposes pts to CHF in the 2nd and 3rd decades
ASD
neonate presents acyanotic at birth and increasing cyanosis over the 1st 6th months of life
Tet of fallot
Child presents with acute cyanosis and panicked affect. Mom reports finding child in squatting position (to improve blood flow to lungs). CX-ray "boot shaped" contour of heart d/t RVH.
"Tet" spell
surgery
Marked cyanosis at birth, early digital clubbing, no murmur present. CX-ray shows a large, "egg shaped" heart (d/t increased pulmonary vasculature)
transposition of the great arteries
Asx in young child with "rib notching" (deformed surface of the ribs d/t dilation of intercostal aa) on CX-ray. In adult, continuous murmur over the collateral vessels in the back, with late systolic murmur between the scapula. Increased pulses in the upper extremities with weak pulses in legs
coarctation of the aorta
Major causes are emphysema, chronic bronchitis, and asthma. Mechanism of hypoxia is a V/Q mismatch d/t small airways and bronchospasm. Hypoxia is more severe in REM sleep d/t hypoventilation 2nd to skeletal mm paralysis
chronic obstructive pulmonary disease
pt presents with panacinar type emphysema d/t _________________. They will also present with hepatic cirrhosis .
alpha-1 antitrypsin deficency
PiZZ allele homozygous have an increased risk
pt presents with wheezing crackles and cyanosis. They report coughing up phlem most days for more then 3 months at a time over then past 5 years. Reid index (thickness of gland layer to bronchial wall) > 50%. What is the dz and pathology?
chronic bronchitis
mucous gland hypertrophy and loss of cilla on bronchial epithelium
most likely from smokin' all those cancer sticks
Condition d/t bronchial hyperresponsiveness. Pathologically see thick bronchial basement membrane thickening, mucous plugs, and destruction of cillia. A severe exacerbation of condition is treated with B2 agonists
asthma
What are the cells that are responsible for the early and late phase reaction during a methacholine challenge test for intrinsic asthma?
early - nerves and inflammatory cells already present in airway --> interstitial edema and vasospasm
late - (3-8 hours) - new inflammatory cells (neutrophils and eosinophils) lead to bronchospasm. Activated T and mast cells may persist long after challenge
pt presents with foul smelling breath, purulent sputum, history of recurrent infections, and hemoptysis. What is the pathology and what are some likely causes?
this is bronchietasis
d/t permanent dilation of bronchioles
scarring from chronic infections (TB, granulomatous dz, recurrent pneumonia)
What is the treatment of choice for gonorrhea
ceftriaxone + doxycycline or azithromycin (to cover any undiagnosed chlamydial infection)
EXTREME genital itching, green frothy discharge, carried asx in the rectum. DOC is metronidazole
Trichomoniasis vaginalis
Recent travel to the tropics, large palpable granulomas in inguinal lymph nodes, treat with doxycycline
lymphogranuloma venereum
Venereal disease that produces granulomas in the genitals that block lymphatic drainage, Donovan bodies visualized in macrophages. DOC tetracycline
granuloma inguinale
recent travel to tropics, PAINFUL chancre, "school of fish" on micro. DOC and causative organism
ceftriaxone
Hemophilus ducreyi
PN is koilocytes (epithelial cells with perinuclear clearing). Types 16 and 18 are more likely to cause cancer. Why?
this is genital warts (HPV)
16 and 18 have viral genes E6 & E7 which interfere with p53 and Rb allowing an overgrowth of epithelial cells
A positive Tzanck is what and confirms the dx of what?
multi-nucleated giant cells visualized on microscopy taken from a biopsy at the base of an ulcer
HSV, VZV, CMV, pemphigus vulgaris
Often asx venereal disease if left untreated can ascend and cause PID. DOC is doxycyline
chlamydial cervicitis
What do the following testicular germ cell tumors have in common?
seminoma
choriocarcinoma
yolk sac
teratoma
THEY ARE ALWAYS MALIGNANT
Which stromal sex cell tumor, leydig or steroli, produce endocrine effects?
Leydig! also see intercytoplasmic Reinke crystals (basically rectangular Leydig cells). precocious puberty or gynecomastia post puberty
Ovarian tumors usually have sxs that show up late, then present as abdominal discomfort and mild digestive complaints.
Surface epithelium ovarian tumors peak at ___________ years
Germ cell tumors of the ovary peak ______.
Sex cord stromal cell tumors peak ______.
>20 years
<20 years
variable
Surface epithelium ovarian tumors are easy to ID because the name of the tumor tells you what kind of cells are involved based on function.
Serous - fluid filled cyst, lined with cilliated fallopian cells that produce watery secretions
Mucinous - fluid filled cyst, tumor lined with columnar cells that produce mucous (may yield pseudomyxoma peritonei, a rupture of cystandenocarcinoma to produce multiple intraperitoneal tumor implants)
Endometroid - solid tumor compromised of glandular endometrial tissue
Clear cell - tumor compromised of large epithelial cells with clear cytoplasm
Brenner - aka celioblastoma, tumor compromised of bladder epithelium
k
Birbeck granules are associated with?
Langerhan's cell histocytosis
sx are non-specific inflammatory response, which includes fever, lethargy, and weight loss
Mature type teratoma cells are MC (90%)
Dermoid cyst = mature teratoma
unusual variant = struma ovarii - has only one tissue element and can cause what syndrome?
hyperthroidism
Which germ cell tumor of the ovary has an elevated alpha-feto protein? Extremely HIGH hCG?
endodermal sinus tumor
choriocarcinoma (aggressive and malignant)
Granulosa-theca cell stromal sex cord tumors secrete large amounts of ________ and present Call-Exner bodies which are_____________?
estrogen
follicles filled with eosinophilic material
Benign tumor that causes Meig's syndrome, which is what?
fibroma
ascites, pleural effusion and ovarian tumor
Tumor of the ovary from a primary metastatic site, usually the GI. Contains characteristic "signet-ring" cells that intracytoplasmically produce mucin displacing the nucleus
Kurkenburg tumor
There are three types of endometrial growths that can be problematic, define them based of descrpition:
often asx and estrogen sensitive, benign
pre-malignant, d/t high estrogen stimulation or low progesterone stimulation
number one invasive carcinoma of female genital tract
Polyps
Hyperplasia
Carcinoma
For the following descriptions of cervical intraepithelial neoplasias (in situ) define which type it is (1-3):
severe dysplasia, affecting various cells throughout the entire epithelial thickness
mild dysplasia of the upper layer of cervical epithelium
CIS, the entire cervical epithelial layer is replaced entirely by neoplastic cells with NO invasion beyond the basement membrane
CIN II
CIN I
CIN III
A hydatidiform mole and choriocarcinoma present with a high B-HCG
indeed