Infectious Disease Flashcards
(19 cards)
Gram-positive cocci in chains
streptococci
diffuse erythema that blanches discribed as a “sandpaper rash” which appears w sore throat
scarlet fever
facial flushing with circumoral pallor and strawberry tongue
scarlet fever
painful macular rash, usu confined to the face. Firery red and flaccid bullae may develop. Desquamates in 5-10 days
Erysipelas
MCC of cellulitis in the US
group A b-hemolytic strep
Prophy abx for pts with hx of rheumatic fever/ heart dx
NO
Centor criteria for strep pharyngitis
tonsillar exudates
absence of cough
tender anterior lymphadenopathy
hx of fever
3/4 =40- 60% chance of group A strep
anaerobic, spore-forming bacillus found in soil which inhibits release of ACh at neuromuscular junction
first finding is visual changes
Botulism
*infants shouldn’t get honey
Spore-forming, gram-positive box-shaped rod found in cheep, cattle, horses, goats, and swine
anthrax
grey membrane in the back of the throat
diptheria
abx used for both diptheria and pertussis
erythromycin
trigeminal eruptions of zoster that occur on the nose are known as HUTCHINSON’S SIGN and pt is as risk of?
corneal involvement
zostavax
60+
contraindicated in pts allergic to gelatin or neomycin
contraindicated if immunocomp, pregnant, or TB
rabies post-exposure prophy
rabies immunoglobulin in wound and IM at distant site and human diploid cell vacine (HDCV) 5 injections on days 0,7, 14, and 28
borrelia burgdorferi
lyme disease
tx by Ixodides, small tick (usu unnoticed)
erythema migrans
lyme disease
bull’s eye lesions
tx lyme dx
Doxy
Rickettsia rickettsii
RMSF
wood tick
Tx RMSF
doxy or chloramphenicol
