Table 1 Diagnosis of cause of syncope in 650 patients.
| Cause of syncope | n | % | ||
|---|---|---|---|---|
| Non‐cardiac causes | 456 | 70 | ||
| Vasodepressor syncope | 242 | 37 | ||
| Orthostatic hypotension | 158 | 24 | ||
| Neurological | 30 | 5 | ||
| Psychiatric | 11 | 2 | ||
| Other | 9 | 1.5 | ||
| Carotid sinus hypersensitivity | 6 | 1 | ||
| Unknown | 92 | 14 | ||
| Cardiac | 69 | 11 | ||
| Arrhythmias | 44 | 7 | ||
| Sinus bradycardia or pause | 15 | 2 | ||
| Atrioventricular block | 15 | 2 | ||
| Ventricular tachycardia | 9 | 1.5 | ||
| Supraventricular tachycardia | 4 | 0.5 | ||
| Pacemaker malfunction | 1 | 0.2 | ||
| Acute coronary syndrome | 9 | 1.5 | ||
| Aortic stenosis | 8 | 1 | ||
| Pulmonary embolism | 8 | 1 | ||
| Incompletely assessed | 33 | 5 |
Reprinted from Sarasin et al31 with permission from Excerpta Medica Inc.