Patient demographics, referral source, preparatory medication and prior tests
| Demographics | ||
| Age (mean, SD) | 58 | ±12 |
| Men (n, %) | 99 | (63%) |
| Women (n, %) | 58 | (37%) |
| Referral source | (n) | (%) |
| Cardiology outpatients | 70 | (45%) |
| Rapid access chest pain clinic | 61 | (39%) |
| Cardiology inpatients | 25 | (16%) |
| Cardiothoracic outpatients | 1 | (1%) |
| Preparatory medication | ||
| No medication | 39 | (25%) |
| Oral metoprolol 50 mg | 10 | (6%) |
| Oral metoprolol 100 mg | 43 | (27%) |
| Oral metoprolol 150 mg | 38 | (24%) |
| Sublingual GTN | 110 | (70%) |
| Intravenous lorazepam 0.5 mg | 3 | (2%) |
| Prior tests | ||
| None | 74 | (47%) |
| Exercise test | 70 | (45%) |
| Dobutamine stress echo | 4 | (3%) |
| Invasive angiography | 4 | (3%) |
| Other | 5 | (3%) |
GTN, glyceryl trinitrate.