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Range and yield of investigations performed to identify cause of atypical chest pain
| Investigation | No. of patients | Positive results |
|---|---|---|
| Gastroscopy | 6 | 2 |
| Exercise test | 10 | 2 |
| Thallium scan | 6 | 1 |
| Echocardiogram | 7 | 1 |
| Coronary angiogram | 5 | 1 |
| 24-hour ECG tape | 3 | 0 |
| Perfusion lung scan | 7 | 1 |
