ID Rapid Review Flashcards
most common causes of FUO
infection, cancer, and autoimmune disease
signs/sx of streptococcal pharyngitis
fever, tender anterior cervical LN, tonsillar exudate, lack of cough
non suppurative complication of streptococcal infection that is NOT altered by treatment of primary infection
postinfectious glomerulonephritis
most common predisposing factor for acute sinusitis
viral URI
asplenic patients are particularly susceptible to these organisms
Encapsulated organisms!
strep pneumo, meningococcus (neisseria meningitidis), H flu, klebsiella
The number of bacteria needed on a clean catch specimen to dx a UTI
10^5 bacteria/mL
A patient from California or Arizona presents with fever, malaise, cough, and night sweats. Dx and treatment
Coccidiomycosis
ampho B
nonpainful chancre
primary syphilis
“blueberry muffin” rash is characteristic of what congenital infection
rubella
meningitis in neonates. causes and treatment
GBS, e coli, listeria. Treat with gentamiin and ampicillin
meningitis in infants. causes and treatment
pneumococcus, meningococcus, H flu. treat with cefotaxime and vancomycin
What does this mean in the CSF?
low glucose
PMN predominance
bacterial meningitis
What does this mean in the CSF?
normal glucose
lymphocytic predominance
“aseptic meningitis”
viral meningitis
What does this mean in the CSF?
numerous RBC’s in serial CSF samples
subarachnoid hemorrhage
What does this mean in the CSF?
high gamma globulins
MS
Initially presents with a pruritic papule with regional LN, evolves into a black eschar after 7-10 days. Treatment?
cutaneous anthrax. Treat with penicillin G or ciprofloxacin
findings in tertiary syphilis
tabes dorsalis, general paresis, gummas, argyll robertson pupil, aortitis, aortic root aneurysm
findings of secondary lyme disease
arthralgias, migratory polyarthropathies, Bell palsy, myocarditis
cold agglutinins
mycoplasma
how do you treat thrush
nystatin oral suspension
At what CD4 count should PCP PPx be started in an HIV positive patient
CD4 count less than or equal to 200
TMPSMX
At what CD4 count should MAC PPx be started
at around less than or equal to 50-100.
clarithromycin/azithromycin
risk factors for pyelo
pregnancy, VUR, indwelling catheters, kidneystones
when is the neutropenic nadir post chemo?
7-10 days
what should erythema migrans make you think
primary lyme disease
Classic findings of endocarditis
fever and heart murmur osler nodes splinter hemorrhages janeway lesions roth spots
what causes aplastic crisis in sickle cell disease
parvovirus B19
branching rods in an oral infection
actinomyces israelii
weakly gram positive, partially acid fast lung infection
nocardia asteroides
painful chancroid
haemophilus ducreyi
dog or cat bite
pasteurella multocida
gardener
sporothrix schenckii
raw pork and skeletal muscle cysts
trichinella spiralis
sheepherders with liver cysts
echinococcus granulosus
perianal itching
enterobus vermicularis
meningitis in adults
neisseria meningitidis
meningitis in elderly
strep pneumo
meningoencephalitis in AIDS
cryptococcus neoformans
PNA in an alcoholic, currant jelly sputum
klebsiella
malignant external otitis
pseudomonas
infection in burn victims
pseudomonas
OM from a foot wound puncture
pseudomonas
OM in a sickle cell patient
salmonella
55 yo M who is a smoker, heavy drinker, presents with new cough and flulike sx. gram stain sh ows no organisms, silver stain of sputum shows gram negative rods.
legionella PNA
middle aged man presents with acute onset monoarticular joint pain and b/l Bell palsy.
Lyme disease! from Ixodes tick. give doxcycyline
patient develops endocarditis 3 weeks after receiving prosthetic heart valve. what organism?
staph aureus or staph epidermidis
pt develops endocarditis in a native heart valve after having a dental cleaning
strep viridans