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8 Cards in this Set
- Front
- Back
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28yo man from Kenya comes to mission clinic because of fever, myalgias, and dyspnea on exertion for 2 weeks. Exam shows his teeth are in poor condition and that he has the heart murmur of aortic regurgitation. Blood cultures are positive. He was most likely predisposed to this infection by?
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rheumatic heart disease
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78yo woman comes to physician w/ fever, malaise, fatigue, and night sweats for past 2 wks. on exam, she is febrile and has new mumur of mitral regurgitation suggesting infective endocardititis. which is the most unlikely cause of this infection:
staph aureus strep mutans enterococcus faecalis streptococcus bovis strep pneumoniae |
strep pneumoniae
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If pt has staph endocarditis on mitral valve, how many of 5 blood cultures would be expected to yield the organism?
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4
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80yo man w/ impaired hearing and marginal renal fxn comes to physician because of 3 weeks of fever and night sweats. He is dx as having enterococcal endocarditis. Which of the following regimens if given in max doses would be most likely to cure his infection?
vancomycin/gentamycin penicillin G Pip/tazo ampicillin/sulbactam ceftriaxone |
vancomycin/gentamycin
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3 years following aortic valve replacement a pt is admitted w/ prosthetic valve endocarditis. The most likely organism responsible is:
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viridans strep (late)
coagulase (-) staph (Staph epidermidis would be if it was acute) |
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62yo woman w/ hx of mitral valve prolapse w/ regurgitation is found to have multiple (+) blood cultures for Strep bovis during work-up for prolonged fever. A transhtoracic c echo shows vegetations on mitral valve. After pt is afebrile and stable from appropriate antibiotic treatment, which of the following is most important?
switch to appropriate oral antibiotic regimen to complete therapy perform a transesophageal echocardiogram obtain contrast CT of the head to exclude mycotic aneurysms repeat the transthoracic echo |
schedule colonoscopy (look for colon cancer)
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Endocardits in an IVDU is most likely to involve the ______ valve?
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tricuspid
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Compared w/ the general population, a man w/ mitral valve prolapse plus regurgitation has how much greater of risk of developing infective endocarditis?
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5-fold
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