Miscellaneous Quiz / Endocarditis

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Can you name the Endocarditis?

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HintAnswer
Virulence factor that inhibits phagocytosis in S. aureua
Dz of abnormal or normal valves with febrile toxic course, chills, rapid onset of CHF lasting days to weeks
Late or early?? Associated with transient bacteremia
Most common polymicrobial IE
Must be considered in culture-negative IE
Most common cause of acute IE
 
Other gram (organisms) E
Other gram (organisms) H
Major predisposing factor to IE
Dz of structurally abnormal valves with low fever, anorexia, and weakness lasting more than several weeks following dental procedure with new or changin heart murmur
Causes subacutre IE in pts with damaged heart valves
Valve commonly infected in IV drug user IE
Virulence factor that promotes clumping in S. aureus
Tx for streptococci and enterococci
Infection is a consequence of...
Most common cause of subacute IE in pts, often pts with abnormal valves and acquired from dental procedures
Viridans streptococci bugs
IE within 3 months of valve surgery
Other gram (organisms) K
HintAnswer
Catalase (+), Coagulase (+), B-hemolysis, and Mannitol (+)
Generally found in IV drug users and ICU pts who receive broad spectrum antibiotics - BC often negative
Aerobic gram (-), produces pigments, and has diverse metabolic capabilities
Late or early?? Associated w/ nosocomial/wound contamination
Catalase (-) grows in 6.5% NaCl, a or y-hemolysis
Virulence factor Viridans
Fastidious organisms requires 5-10% carbon dioxide for growth + 3 wks incubation
 
Catalase (-), a-hemolytic, optochin resistant, and bile resistant
Tx for methicillin resistant staphylococci
Virulence factor that promotes conversion of fibrinogen to fibrin clot in S. aureus
Common species in homeless males
Who needs IE prophylaxis??
Most common fungal endocarditis bugs
Tx for methicillin sensitive staphylococci
Other gram (organisms) A
Other gram (organisms) C
Empiric antibiotic therapy in acute and IV drug user
Virulence factor that is a pore-forming toxin in S. aureus
Coagulase (-), no hemolysis, mannitol (-)

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