Frequency of reasons for referral to echocardiography and diagnosis at discharge
| FUO, fever of unknown origin; IE, infective endocarditis. | |
| 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 |