24. Cardiac Infections Flashcards
pt receives colonoscopy and has 2 polyps removed,
wt organism caused this?
associated condition?
Strep bovis
Endocarditis
organism causing endocarditis and pericarditis?
tx?Haemophilus/actinobacillus?
Haemophilus/actinobacillus (aggregatibacter)
Third generation cephalosporins
bacteria causing endocarditis in homeless?
Bartonella quintana
bacteria causing endocarditis associated with scratch from a cat?
bartonella hensalae
most common cause of infectious myocarditis?
Viruses (Coxsackie)
pt presents with dyspnea and subsequent develops arrhythmias and then dies,
wt type of cardiac infection?
most likely cause?
myocarditis
virus (coxsackie B)
pt presents with friction rub,
diagnosis?
most common cause?
pericarditis
idiopathic is most common
EKG findings in pericarditis? wt lead
ST:T amplitude > 0.25 in V6
most common cause of chronic effusion pericarditis?
TB
Cardiac infection causing vegetations?
infectious endocarditis
bact. associated w nosocomial endocarditis?
staphylococcus
bact causing endocarditis and dental caries?
strep viridans mutans
wt generally causes infectious endocarditis?
Bacteria
wt heart infection can cause arrhythmias, HF, chest pain and death?
infectious mocarditis
duke criteria required to diagnose infectious endocarditis?
2 major
one major, 3 minor
5 minor
2 major criteria for duke endocarditis?
positive blood culture
evidence of endocardial involvement
5 minor criteria for duke endocarditis?
fever > 100.4
immunologic phenomena (glomerulonephritis, osler, roth)
+ blood culture that doesnt meet major criteria
predisposing heart condition or IV drugs
vascular henomenon
bact causing endocarditis post fist fight/ human bite?
eikenella corrodens
when should prophylaxis for endocarditis be administered?
2 drugs?
previous endocarditis patients
amoxicillin 2 g
clindamycin 600 mg
EKG changes in chagas myocarditis?
echo?
R BBB, L hemiblock
hypokinesis of L lung
2 causes of myocarditis in HIV patients?
toxoplasmosis
Kaposi sarcome
