Rubin's Bacterial Infections Flashcards
Cause of scalded skin syndrome?
exotoxin of S. aureus
What is a carbuncle?
coalescing infections around the hair follicles and draining sinus
Major cuse of infections involving medical devices?
coagulase negative staph
Main illnesses of S. pyogenes?
Pharyngitis and rheumatic fever
Possible complications of S. pyogenes?
PSGN and rheumatic fever
What leads to scarlet fever?
erythrogenic toxin on S. pyogenes
“erythematous swelling of the skin caused by S. pyogenes (begins on face and spreads rapidly)”
erysipelas
“honey colored crusts that is caused by S. pyogenes”
Impetigo
Is the pneumonia caused by S. pneumo diffuse or lobar?
Lobar
What can S. pneumo cause?
Pneumonia, otitis media, sinusitis, meningitis
Which gram (+) cocci grow in short chains?
GBS
Major cause of neonatal pneumonia, meningitis, and sepsis?
GBS
“necrotizing upper respiratory tract infection caused by gram (+) rods”
Diphtherla
Mechanism of diphtheria toxin?
interrupts protein synthesis
“thick leathery gray membrane composed of sloughed epithelium, necrotic debris, fibrin and bacteria”
Diphtheria
“debilitating paroxysmal coughing and high pitched inspiration”
Pertussis
key lab finding in pertussis?
leukocytosis
2nd most common cause of meningitis in children <2yo?
H, influenzae
Possible compication of N. meningitidis?
Waterhouse friedrechsen syndrome (vasculitis + thrombosis + hemorrhagic necrosis)
Cause of Chancroid?
H. ducreyi
What does gonorrhea cause in newborns?
blindness, conjunctivitis
What is a bubo?
ingunal LAD
Cause of granuloma inguinale?
C. granulomatis
Complication of granuloma inguinale?
elephantitis
