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45 Cards in this Set
- Front
- Back
Rheumatic Fever
Scarlet Fever Acute GN |
Streptococcus Pyogenes
Beta-Lactams or Erythromycin |
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Tumbling motility, grows cold, mom ate soft cheese, baby got meningitis
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Listeria Monocytogenes
Ampicillin w/ Gentamycin added for IC's |
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Lockjaw
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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) |
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Urease positive, gastric ulcers, type 1 carcinogen, predisposes to stomach cancer. Oxidase +, microaerophilic
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Helicobacter pylori
Omeprazole+amoxicillin+clarithromycin |
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Most common cause of neonatal sepsis and meningitis
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Strep Agalactiae
Ampicillin with Cefotaxime or Gentamicin |
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Obligate intracellular parasite affecting cooler parts of body, skin, mucous membranes, peripheral nerves
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Mycobacterium Leprae
Dapsone and Rifampin, with clofazimine added for lepromatous |
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Acid fast rods with a waxy cell wall, auramine-rhodamine staining bacilli, GHON complexes
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Mycobacterium Tuberculosis
First 2 mo: INH+Rifampin+pyrazinamide+Ethambutol Next 4 mo: INH+Rifampin |
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Most common cause of bacterial pneumonia in adults
MCC Otitis media and Sinusitis in children |
Strep Pneumonia, Optichin sensitive
Penicillin G |
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Large, boxcar-like spore forming rod.
papule with vesicles-->Black eschar. Pulm involvement in a woolsorter |
Bacillius anthracis
Ciprofloxacin or Doxy |
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Gram+ filaments breaking up into rods, partially acid fast
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Nocardia
Sulfonamides |
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Uses dextran to adhere to teeth
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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 |
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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) |
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Elderly smoker develops pneumonia, BYCE +
A/C ducts |
Legionella
Floroquinolone or Azythromycin w/ Rifampin for IC pts DRUG MUST PENETRATE CELLS, facultative anaerobe |
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Woman with IUD, Sulfur granules
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Actinomyces, grows in areas of low O2 tension, obligate anerobe (ABC's)
SNAP!! (Sulfa-Nocardia, Actinomyces-Penicillin) Ampicillin or Penicillin G and drainage |
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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 |
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Floppy Baby, ate honey
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Clostridium botulinum
coded for by a prophage (lysogenized by C. bot.), Blocks release of Ach at the myoneuronal jt. Respiratory support, antitoxin |
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Dorm room meningitis
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Neisseria Meningitidis
tx- Ceftriaxone,Penicillin G vaccine- capsular polysaccharide capsule prophylax with rifampin for close contacts |
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Undulating Fever
Unpasteurized dairy products |
Brucella
Facultative intracellular Unpasteurized dairy products Rifampin and Doxy |
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Treated with Clindimycin, now has diarrhea
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Clostridium Difficile
Tx- Metro |
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Poultry
Guillain-Barre syndrome |
Campylobacter Jejuni
Motile, curved gram neg rods Most common cause of infectious diarrhea in US Erythromycin, Floroquinolones |
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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 |
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Tick bite, handled/butchered rabbits
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Francisella Tularensis
Turalemia Tx- Streptomycin |
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Myonecrosis
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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 |
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Enterobacteriaceae family
Lactose fermenters |
KEE
Klebsiella E.Coli Enterobacter (Citrobacter) |
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Male urethritis, proctitis
Female endocervicitis Infants- ophthalmia |
Neisseria Gonorrhea
UNcapsulated tx- Ceftriaxone |
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Enterobacteriaceae Family
Non Lactose Fermenters |
Sigella
Yersinia BOTH non motile, non H2S Producers Proteus Salmonella Motile, H2S producers |
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Enterobactericae
Antigens |
O= Cell envelope
H= flagellar (motile cells only) K= capsular polysaccharide antigen Vi= Salmonela capsular antigen |
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Hot tub folliculitis
Burn pts DIABETICS CGD infections |
Catalase + Fruity odor, bluish green color
Pseudomonas Tx-T,C, Pipercillin, 3rd gen Cefalosporins |
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Primary cause of UTI
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E.Coli
Tx ampicillin or sulfonamides for UTI |
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+CYE
Plemorphic gram (-) rods, that require cysteine and iron |
Legionella
Decontaminate AC cooling tanks Floroquinolone or azithromycin, or erythromycin. Add Rifampin if IC |
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Day care
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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 |
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Alcoholic gets pneumonia
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Klebsiella pneumoniae
Red currant jelly sputum aminoglycosides and cephalosporins |
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Second most common cause of neonatal septicemia and meningitis
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E.Coli (#1 is GBS)
ampicillin plus cefotaxime |
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Infection beginning in illeocecal region, liver and spleen affected, may see rose spots. Necrosis of peyer's patches.
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Typhoid fever, salmonella typhi
Produces H2S, gram neg rods, highly motile, Vi capsule Ciprofloxacin or ceftriaxone |
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Tremendous fluid loss
Rice water stools |
Vibrio Cholerae
OXIDASE + Fluid and electrolyte replacement, doxy or cipofloxacin may shorten duration |
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Watery diarrhea then turns bloody
positive WIDAL test Chickens |
Nontyphoidal Salmonella (turtles too)
CAUSES OSTEOMYLITIS IN SICKLE CELL PTS Abx not recommended |
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Hamburger and petting zoos
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EHEC O157:H7
Causes HUS, NO FEVER (shigga) Shigella-like veritoxin, nicks 60s subunit Nothing recommended abx |
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Undercooked or raw seafood poisining
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Vibrio parahaemolyticus
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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 |
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Osteomylitis in a sickle cell or asplenic pt
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Salmonella (non typhoidal)
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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 |
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Oysters, fishermen
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Vibrio Vulnificus
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Swarming motility
Urase + |
Proteus mirabilis, vulgarus
UTI's, Septicemia, Kidney Stones Urease raises PH of urine to cause kidney stones |
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Proteus Tx
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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
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Cat Bite
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Pasteurella
cellulitis with lymphadenitis Tx Augmentin (Amoxicillin/Clavulanate) |