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45 Cards in this Set

  • Front
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Rheumatic Fever

Scarlet Fever

Acute GN
Streptococcus Pyogenes

Beta-Lactams or Erythromycin
Tumbling motility, grows cold, mom ate soft cheese, baby got meningitis
Listeria Monocytogenes

Ampicillin w/ Gentamycin added for IC's
Lockjaw
Clostridium tetani

Binds toganglioside receptors, blacks inhibitory mediators (GABA and Glycine) at spinal synapses.

Tx- Hyperimmune human globulin (TIG) to neutralize toxin, +metro or penicillin. AND Spasmolytic drugs (diazepam)
Urease positive, gastric ulcers, type 1 carcinogen, predisposes to stomach cancer. Oxidase +, microaerophilic
Helicobacter pylori


Omeprazole+amoxicillin+clarithromycin
Most common cause of neonatal sepsis and meningitis
Strep Agalactiae

Ampicillin with Cefotaxime or Gentamicin
Obligate intracellular parasite affecting cooler parts of body, skin, mucous membranes, peripheral nerves
Mycobacterium Leprae

Dapsone and Rifampin, with clofazimine added for lepromatous
Acid fast rods with a waxy cell wall, auramine-rhodamine staining bacilli, GHON complexes
Mycobacterium Tuberculosis

First 2 mo: INH+Rifampin+pyrazinamide+Ethambutol

Next 4 mo: INH+Rifampin
Most common cause of bacterial pneumonia in adults

MCC Otitis media and Sinusitis in children
Strep Pneumonia, Optichin sensitive

Penicillin G
Large, boxcar-like spore forming rod.

papule with vesicles-->Black eschar. Pulm involvement in a woolsorter
Bacillius anthracis

Ciprofloxacin or Doxy
Gram+ filaments breaking up into rods, partially acid fast
Nocardia

Sulfonamides
Uses dextran to adhere to teeth
Streptococcus Mutans (viridans family), Optichin resistant

Normal flora but can cause endocarditis on a damaged heart valve after dental work,

prophlax: Penicillin G w/ aminoglycoside
Club shaped gram+ rod

Dirty gray pseudomembranes in oropharynx, can caue obstruction, bullneck, recurrent laryngeal nerve damage, heart damage
Corynebacterium diphtheriae

Erythromycin and antitoxin

prevent with DTaP (toxoid aka inactivated toxin vaccine)
Elderly smoker develops pneumonia, BYCE +

A/C ducts
Legionella

Floroquinolone or Azythromycin w/ Rifampin for IC pts DRUG MUST PENETRATE CELLS, facultative anaerobe
Woman with IUD, Sulfur granules
Actinomyces, grows in areas of low O2 tension, obligate anerobe (ABC's)

SNAP!! (Sulfa-Nocardia, Actinomyces-Penicillin)
Ampicillin or Penicillin G and drainage
PYR+, Hydrolyzes esculin in 40% bile and 6.5% NaCl.

During med procedures on GI/GU-->Bloodstream-->previously damaged heart valves-->endocarditis
Enterococcus Faecalis

Vanco, cannot do anything if VRE
Floppy Baby, ate honey
Clostridium botulinum

coded for by a prophage (lysogenized by C. bot.), Blocks release of Ach at the myoneuronal jt.

Respiratory support, antitoxin
Dorm room meningitis
Neisseria Meningitidis

tx- Ceftriaxone,Penicillin G

vaccine- capsular polysaccharide capsule

prophylax with rifampin for close contacts
Undulating Fever

Unpasteurized dairy products
Brucella
Facultative intracellular
Unpasteurized dairy products

Rifampin and Doxy
Treated with Clindimycin, now has diarrhea
Clostridium Difficile

Tx- Metro
Poultry

Guillain-Barre syndrome
Campylobacter Jejuni

Motile, curved gram neg rods

Most common cause of infectious diarrhea in US

Erythromycin, Floroquinolones
Whooping cough

+ Regan-Lowe and Bordet-Gengou media
Bordetella Pertussis

Direct immunofluorescence on Nasopharyngeal smear.

Mucosal surface pathogen

ADP ribodylation of Gi, increases cAMP

DTaP, toxoid vaccine

Tx- Erythromycin
Tick bite, handled/butchered rabbits
Francisella Tularensis

Turalemia

Tx- Streptomycin
Myonecrosis
Aka Gas gangrene, due to contamination of open wound with soil or feces.

Clostridium Perfringens

Tx- Debridement, delayed closure, clindamycin and penicillin, and hyperbaric chamber
Enterobacteriaceae family

Lactose fermenters
KEE

Klebsiella
E.Coli
Enterobacter
(Citrobacter)
Male urethritis, proctitis

Female endocervicitis

Infants- ophthalmia
Neisseria Gonorrhea

UNcapsulated

tx- Ceftriaxone
Enterobacteriaceae Family

Non Lactose Fermenters
Sigella
Yersinia BOTH non motile, non H2S Producers

Proteus
Salmonella Motile, H2S producers
Enterobactericae

Antigens
O= Cell envelope
H= flagellar (motile cells only)
K= capsular polysaccharide antigen
Vi= Salmonela capsular antigen
Hot tub folliculitis

Burn pts

DIABETICS

CGD infections
Catalase + Fruity odor, bluish green color

Pseudomonas

Tx-T,C, Pipercillin, 3rd gen Cefalosporins
Primary cause of UTI
E.Coli

Tx ampicillin or sulfonamides for UTI
+CYE

Plemorphic gram (-) rods, that require cysteine and iron
Legionella

Decontaminate AC cooling tanks

Floroquinolone or azithromycin, or erythromycin. Add Rifampin if IC
Day care
Shigella
non-lactose fermenter

Fingers, Food, Flies, Feces

AB component toxin inhibits protein synthesis by clipping 60s.

Tx fluid and electrolyte replacement only in mild cases
Alcoholic gets pneumonia
Klebsiella pneumoniae

Red currant jelly sputum

aminoglycosides and cephalosporins
Second most common cause of neonatal septicemia and meningitis
E.Coli (#1 is GBS)

ampicillin plus cefotaxime
Infection beginning in illeocecal region, liver and spleen affected, may see rose spots. Necrosis of peyer's patches.
Typhoid fever, salmonella typhi

Produces H2S, gram neg rods, highly motile, Vi capsule

Ciprofloxacin or ceftriaxone
Tremendous fluid loss

Rice water stools
Vibrio Cholerae

OXIDASE +

Fluid and electrolyte replacement, doxy or cipofloxacin may shorten duration
Watery diarrhea then turns bloody

positive WIDAL test

Chickens
Nontyphoidal Salmonella (turtles too)

CAUSES OSTEOMYLITIS IN SICKLE CELL PTS

Abx not recommended
Hamburger and petting zoos
EHEC O157:H7

Causes HUS, NO FEVER (shigga)
Shigella-like veritoxin, nicks 60s subunit

Nothing recommended abx
Undercooked or raw seafood poisining
Vibrio parahaemolyticus
LT

ST

Traveler's Diarrhea
ETEC

LT- Heat labile toxin stimulates adenylate cyclase by ADP ribosylation of Gs --> increased cAMP-->outflow of Cl- and water

ST- Heat stable toxin causes diarrhea by stimulating guanylate cyclase

Electrolyte replacement
Osteomylitis in a sickle cell or asplenic pt
Salmonella (non typhoidal)
Bubonic plague, Pneumonic plague

US desert southwest
Yersinia Pestis

Mimics appendicitis (Enterocolitica, blood transfusions)
Pestis- Wild rodents bitten by infected flea, humans get by respiratory route--> MUST QUARANTINE

Tx Streptomycin with Tetracycline
Oysters, fishermen
Vibrio Vulnificus
Swarming motility

Urase +
Proteus mirabilis, vulgarus

UTI's, Septicemia, Kidney Stones

Urease raises PH of urine to cause kidney stones
Proteus Tx
Acute uncomplicated pyelonephritis in women can be treated with oral quinolones for 7-14 days, single-dose ceftriaxone or gentamicin followed by TMP/SMZ, or an oral cephalosporin or quinolone for 14 days as outpatient therapy. For hospitalized patients, therapy consists of parenteral (or oral once the oral route is available) ceftriaxone, quinolone, gentamicin (plus ampicillin), or aztreonam until defervescence. Then, an oral quinolone, cephalosporin, or TMP/SMZ for 14 days may be added to complete treatment
Cat Bite
Pasteurella

cellulitis with lymphadenitis

Tx Augmentin (Amoxicillin/Clavulanate)