Principles of Infectious Diseases Flashcards
Common organisms in alcoholics
Strep pneumonia, klebsiella pneumonia, staph aureus
Common organism in post-viral infections
staph aureus
Which bacteria does not have a cell wall?
mycoplasma
What are the atypical organisms?
Chlamydia, Legionella and Mycoplasma pneumoniae
What are some common anaerobes?
Bacteroides, Clostridium, Enterobacter, Lactobacillus
What are the encapsulated bacteria?
Strep pneumo
h.influenza
klebsiella
neisseria
cellulitis (staph aureus or epidermidis)
DOC - dicloxacillin (allergy - clindamycin)
alt. cephalexin
cellulitis (strep pyogenes)
DOC - PCN (allergy - erythromycin)
alt. cephalexin
diarrhea - bacillus cereus
food poisoning (reheated fried rice) Tx: supportive
diarrhea - campylobacter jejuni
fecal-oral (contaminated water) or unpasterized milk
DOC - azithromycin
diarrhea - clostridium botulinum
honey (young kids), canned foods
Tx: trivalent antitoxin
diarrhea - c.diff
nosocomial or abx associated
DOC - metronidazole or oral vanc
bloody diarrhea - e.coli
uncooked beef
Tx: supportive
diarrhea - enterotoxigenic e.coli
“traveler’s diarrhea” due to production of toxins
DOC - fluoroquinolones
bloody diarrhea - shigella
DOC - AMP
“rice water diarrhea” (vibrio cholorae)
contaminated water and seafood
Tx: fluid, glucose + Na (gatorade)
DOC - doxyclycline or fluoroquinolone
diarrhea - CMV
immunocompromised
DOC - ganciclovir
diarrhea - Norwalk virus
cruise ships, spreads fast!
Tx: supportive
diarrhea - rotovirus
children
Rotazyme test
Tx: fluids +/-nitazoxanide (antiprotazoal)
diarrhea - salmonella
raw poultry, eggs, meats
DOC - AMX