Duke's criteria simple mnemonics for infective endocarditis diagnosis

Bacterial Endocarditis FEVER

Major:
B = blood culture +ve >2 times 12 hr part
E = Endocardial involvement from Echo

Minor:
F = Fever
E = Echo findings (not fulfilling a major)
V = Vascular findings
E = Evidences from microbiological/immunology (2 evidences)
R = Risk factors/predisposing factors - drug abuse, valvular diseases