Flashcards in Diagnosis Deck (4)
What is the clinical criteria for the diagnosis of infective endocarditis?
Either of the following:
- 2 major criteria
- 1 major and 3 minor
- 5 minor criteria
What is the major criteria for infective endocarditis?
Positive blood culture
- typical micro-organism consistent in 2 separate cultures OR
- persistently + blood cultures e.g. 3 >12hrs apart OR
- single positive blood culture for coxiella burnetii
- Positive echocardiogram for IE (vegetation, abscess, pseudoaneurysm, dehiscence of prosthetic valve) OR
- abnormal activity around prosthetic valve on PET/CT or SPECT/CT OR
- paravalvular lesions on cardiac CT
What is the minor criteria for infective endocarditis?
- Predisposition (cardiac lesion, IV drug abuse)
- Fever > 38 degrees
- Vascular phenomena (emboli, Janeway's lesions etc)
- Immunological phenomena (glomerulonephritis, Osler's nodes etc)
- Positive blood culture that does not meet major criteria