Table 1.

 Frequency of reasons for referral to echocardiography and diagnosis at discharge

Reason for referral
FUO without evident extracardiac infection	50
FUO with blood cultures positive for germs typical for IE	18
FUO in recent cardiac surgery	14
FUO with predisposing heart disease	26
FUO in injecting drug users	10
Recurrent embolic phenomena	12
FUO with immunological phenomena	5
Other	4
Diagnosis at discharge
Pneumonia	4
Connective tissue disease	8
Meningitis	7
Splenic abscess	8
Viral illness	11
Stroke	9
Pericarditis	10
Cerebral abscess	8
Malignancy	11
Line sepsis	4
Bacteraemia of unknown origin	14
Other	10
Total IE	35

FUO, fever of unknown origin; IE, infective endocarditis.