Main symptom at the time of presentation
| Presenting complaint | Per cent of total (n=421) |
| Shortness of breath | 31.8 |
| Collapse | 16.2 |
| Upper body discomfort other than chest pain | 13.1 |
| Cardiac arrest | 10.5 |
| Neuropsychiatric presentation | 5.9 |
| Perioperative | 4.0 |
| Perspiration | 2.4 |
| Nausea/vomiting | 2.1 |
| Non-specifically unwell | 14.0 |