DVT complete diagnostic approach resident survival guide

Probability of infective endocaritis	Characteristics
Definite diagnosis by pathological criteria	Microorganisms demonstrated by culture or histological examination of a vegetation, OR Pathological lesions; vegetation or intracardiac abscess confirmed by histological examination showing active endocarditis
Definite diagnosis by clinical criteria	2 major criteria; OR 1 major criterion and 3 minor criteria; OR 5 minor criteria
Possible	1 major criterion and 1 minor criterion; OR 3 minor criteria
Rejected	Firm alternative diagnosis explaining evidence of IE, OR Resolution of IE syndrome with antibiotic therapy for 4 days, OR No pathological evidence of IE at surgery or autopsy, with antibiotic therapy for 4 days, OR Does not meet criteria for possible IE as above

Criteria	Definite Infective Endocarditis According to Modified Duke Criteria
Pathological Criteria	Microorganisms demonstrated by culture or histological examination of a vegetation Pathological lesions; vegetation or intracardiac abscess confirmed by histological examination showing active endocarditis
Clinical Criteria	2 major criteria; or 1 major criterion and 3 minor criteria; or 5 minor criteria
Possible IE	1 major criterion and 1 minor criterion; or 3 minor criteria
Rejected	Firm alternative diagnosis explaining evidence of IE; or Resolution of IE syndrome with antibiotic therapy for 4 days; or No pathological evidence of IE at surgery or autopsy, with antibiotic therapy for 4 days; or Does not meet criteria for possible IE as above