Endocarditis Flashcards
most common valve affected
mitral valve
most common causative organism in acute presentations on native valves
staph aureus
most common causative organism in prosthetic valves
staph epidermidis
most common causative organism following dental work
strep viridans
most common causative organism in IV drug users
staph aureus
which valves are affected in IV drug users with endocarditis
right sided endocarditis – pulmonary + tricuspid
when should you suspect endocarditis
fever + new murmur
clinical feature of endocarditis
fever, rigors new/changing heart murmur splenomegaly clubbing haematuria Roth spots, laneway lesions, oslers nodes
what are roth spots
retinal haemorrhages
what are Janeway lesions
painless palmar macule
what are oslers nodes
painful purple papules on finger pulps
antibiotic therapy for acute endocarditis in native valve
IV flucloxacillin
antibiotic therapy for endocarditis in prosthetic valve
IV vancomycin + Gentamicin + rifampicin
antibiotic therapy for subacute endocarditis in native valve
IV amoxicillin + gentamicin
once organisms have been identified, what is the tx for endocarditis caused by strep virdians
IV benzylpenicillin + gentamicin
