• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/93

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

93 Cards in this Set

  • Front
  • Back
If an unnamed branch of an artery has significant atherosclerosis, what does the pt. probably also have?
Diabetes
What is the number one risk factor for atherosclerosis?
high LDL
What is the key lesion of atherosclerosis?
atheroma or plaque
What disease leaves cholesterol esters all over the tissues? (hint: orange tonsils)
tangier's disease
Risk factors for atherosclerosis? (lonnnng list)
LDL, smoking, HTN, DM, lack of exercise, (hereditary) hypercoagulable blood, metabolic syndrome (X), elevated homocysteine, chronic kidney disease/uremia, adult onset growth hormone deficiency
According to Friedlander, you can eat what you please if your cholesterol remains under what?
200 mg/dl
What causes death do due ischemic heart disease?
Rhythm disturbances
Muscle loss
Rupture (free wall, septum, papillary muscle)
Aneurysm formation, mural thrombi
Chronic ischemic heart disease
What can cause subendocardial watershed infarcts?
hypotension, shock
What can you see in minutes 0-30 of MI?
Wavy fibers (glycogen loss)
What can you see in 1-2 hours of MI?
Mitochondrial calcification, maybe contraction bands,
maybe hydropic change / fatty change
What can you see in 4-8 hours of MI?
Earliest nuclear changes; neutrophils appear;
Maybe dark mottling grossly
What can you see in 8-24 hours of MI?
Pallor grossly, coagulation necrosis, soft by 24 hr
What can you see in 24-72 hours of MI?
Lots of polys, obvious necrosis, yellow grossly
What can you see in 3-7 days of MI?
Macrophages and polys; granulation tissue at rim
What can you see in 10 days of MI?
Macrophage cleanup, good granulation tissue
What can you see in 2-6 weeks of MI?
Macrophage cleanup continues; scar develops
Match the occluded vessel w/ its transmural infarct type:
Left anterior descending
Left circumflex
Left main
Right main
Left anterior descending: Anteroseptal infarct
Left circumflex: Anterolateral infarct
Left main: Entire anterior wall
Right main: Inferior wall
What is Lipomatosis cordis?
excessive epidardial fat; patients are not necessarily overweight
What are the 3 ways that atherosclerosis causes harm?
1. occluding arteries slowly over time (i.e. angina)
2. occluding arteries suddenly by rupture of plaques or hemorrhages into plaques
3. weakening the wall os arteries (aneurysms)
In descending order, top 5 manageable risk factors for atherosclerosis?
high LDL, smoking, HTN, DM, lack of exercise
What does smoking do to LDL
oxidizes it yo
What is the main molecular problem w/ DM causing atherosclerosis?
glycosylation end-products (non-enzymatic glycosylation of proteins)
Pt. has near-zero HDL, orange tonsils, low LDL, defect of ABCA1 gene. What disease?
tangier disease
What may elevate homocysteine?
1. inborn error of metab.
2. low intake of folic acid
3. low intake of vit. B12
What are 3 bad effects of homocysteine?
1. mitogen for vascular smooth muscle
2. damages endothelium
3. makes blood hypercoagulable
In atherosclerosis, what are the innocent precursors, time bombs, and the killers
fatty streaks, fibrous plaques, and complicated plaques
If injury in atherosclerosis reaches the media, what will surely happen?
activation of the clotting cascade, smooth muscle cells will migrate in, and fibrosis will occur
How do you know the dominant coronary artery?
whichever supplies the posterior descending coronary artery
What is cardiac syndrome x?
classic angina clinically but wide-open coronaries
smooth muscle of BV's don't dilate or constrict to easily
Two most common causes of MI?
Other (possible) causes?
1. atherosclerosis
2. cocaine
Others: prinzmetals coronary spasm, myocardial bridging, vasculitis, emobolization, syphilis, dissecting hematoma, shock + LHF
What are some common complications of MI's?
rhythm disturbances, LHF, cardiogenic shock (>40% necrosis), rupture (softest on days 3-7), aneurysm formation, mural thrombus, and embolization
Post MI rupture of free wall results in what? rupture of septum? rupture of papillary muscle?
free wall: hemopericardium, tamponade, and instant death
septum: sudden L-R shunt
papillary: severe MR
Causes of sudden cardiac death?
coronary atherosclerosis (most common, usually 75% concentric stenosis of all 3 coronaries)
cocaine heart
coronary malformations (e.g. having only one)
inflow problems (atrial myxoma)
outflow problems (AS, cor pulmonale)
WPW
amyloid in bundle of HIS
commotio cordis (blow to chest)
glue sniffing
hemochromatosis (iron overload)
myocarditis (even just a patch)
VSDs involving bundle of His
long QT
brugada syndrome (Na channel): elev. ST in V1,2,3,
What vitamin protects from heart problems (sudden cardiac death)?
vit. E.... goldstrich says no though...... who to believe... neither?
What size dust particle are deposited at respiratory bronchioles (the bad ones)?
1-3 microns
RA or SLE or PM-DM w/ inorganic pneumoconiosis
caplan's syndrome
Coal dust increases risk for what cancer?
stomach cancer
What about the structure of silica is essential to its fibrogenicity?
tetrahedral configuration
Before 1970, where could one get the heaviest exposure to asbestos?
shipyards
What is the principal risk factor for mesothelioma?
asbestos
Asbestosis most often causes which cancer?
common bronchogenic carcinoma.... did he trick you?
A pt. whose occupation was in the "rocket and fluorescent bulb" industry presents w/ interstitial lung fibrosis. Closer look reveals granulomas w/ activated macrophages and Th cells. DIagnosis?
berylliosis
IgE-mediated type III-injury vasculitis.... spores from moldy hay... diagnosis?
hypersenitivity pneumonitis (farmer's lung)
Pt. exposed to mold in dry sugar cane. now has ... bad lungs. diagnosis?
bagassosis
I gots the 'monday asthma' after returning to the cotton fields. diagosis?
byssinosis (cotton lung)
Down's syndrome: most likely heart defect?
endocardial cushion defect
turner's syndrome: most likely heart defect?
PDA and preductal coarcation
kartagener's... what happens to the heart?
dextrocardia
fetal alcohol syndrome. likely heart defect?
VSD
How do you pathologically define cyanosis?
5gm/dL or greater of UNoxygenated hemoglobin in art blood
pulmonary artery and aorta are single vessel overriding a VSD. diagnosis?
truncus arteriosis
Most common type of ASD?
ostium secundum defect (90%)
mitral stenosis + ASD...
lutembacher's syndrome
machinery murmur, pathognomonic for ?
PDA
Tricuspid valve is way to low!
ebstein's anomaly
Diabetes and prolonged HTN can do what to arterioles?
hyaline arteriolar sclerosis
malignant HTN, scleroderma, and HUS can do what do vasculature?
hyperplastic (onion-skinning) atereriolar sclerosis... and probably necrotizing sclerosis later
Hepatitis B infection in the past. ANCAS. migraine, vague aches, stroke, heart attack, bowel infarcts, gangrene. THREE-layer vasculits?
polyarteritis nodosa
type III injury of venule w/ palpable purpura
leukocytoclastic vasculitis
eosinophilic vasculitis w/ asthma
churg-strauss disease
lung cavities, segmental necrotizing glomerulonephritis, granulomas, anti-proteinase 3....
wegener's granulomatosis
Pt over 60. jaw claudication. polymyalgia rheumatica. granulomatous thickening of the inner portions of the branches of the external carotids. elevated sed rate. heachache
temporal (giant-cell) arteritis.... oh and his temporal arteries were tender
Young adult pt. aortic arch and its branches undergo thickening. granulomas. weak pulse in upper extremities.
takayasu's pulseless disease
febrile toddler pt. Japanese. non-purulent conjunctivitis in both eyes. rash. red, cracked lips. red palms and soles....
Kawasaki's disease
Young smoker. inflamed/scarred neurovascular bundles. neutrophils adjacent to epithelioid giant cells deep inside thrombi....
buerger's disease (thromboangiitis obliterans)
What diameter of abdominal aorta constitutes an aneurysm?
3 cm (5 cm or more is likely to burst)
What bug may infect atherosclerotic aortic aneurysm?
salmonella
tree bark grooves on the intima of the aortic root dilation
syphilitic aneurysm
What genetic conditions can increase risk for an aortic dissection (not peeps w/ HTN)?
marfans and ehler danlos
What is responsible for the stasis pigmentation inf ischemic stasis ulcers?
hemosiderin
What usually causes trosseau's migratory thrombophlebitis?
cancer of the pancreas
resembles erectile tissue, but nothing special happens when you rub it
hemangioma
giant hemangioma over skin, hemangion in the meninges.... common is what syndrome?
sturge-weber
painful tumor of smooth muscle of a little thermoregulatory structure (vestigial)?
glomus tumor
You see these red spots (vascular malformations) most often on the lips in this disease....
hereditary hemorrhagic telangiectasia (Osler-weber-rendu)
AIDS pt. HHV-8. nasty skin lesions.
kaposi's sarcoma
Pt. presents w/ deep reddening of the skin in a streak up his arm w/ warmth, lymphandentitis, and a raised border around the affected area.
lymphangitis
What is a characteristic feature of an EM of endothelium?
Weibel-Palade bodies
Heart is big, but emptying fine. myocytes are thicker w/ sarcomeres laid down alongside existing ones. accompanied by AS
concentric hypertrophy
Big heart. NOT empyting properly. myocytes are longer and laid down beyond existing ones.
eccentric hyperptrophy
hypertrophic heart. uneven fiber enlargement and scrambling
hypertrophic cardiomyopathy
Causes of high-output HF?
anemia, hyperthyroidism, high fever, shunts b/w artery and vein (beriber, paget's)
neutrophilic myocarditis. probably caused by what?
meningococcemia
eosinophilic myocarditis w/ fibrosis of the endocardium... what is it?
loeffler's
eponym of idiopathic giant-cell myocarditis
fiedler's myocarditis
EKG w/ epsilon wave. fatty ingrowth and fibrosis in the wall of the RV. diagnosis?
ARVC/ARVD (fibrolipomatosis)
What conditions can lead to dilated cardiomyopathy?
alcoholism, pregnancy, acromegaly, polymyositis-dermatomyositis, myocarditis, sarcoidosis, chagas, radiation, etc.
Very enlarged trabeculae w/ blood lakes in the wall of one or both ventricles. can produce dilated or restrictive pattern. what is it?
noncompaction cardiomyopathy
Most common cause of sudden death in competitive athletes?
hypertrophic cardiomyopathy
Amyloid, bouncing heart....
restrictive cardiomyopathy
How much fluid is required to produce a tamponade?
~150 ml, rapid accumulation (but this is FRIEDLANDER'S estimate... Johnston says 250... so great)
2 probable causes of hemorrhagic pericarditis?
TB and cancer
Marker for CHF?
natriuretic peptide (BNP)