Table 1 Categorization of patients based on presence the presence or absence of angina pectoris and coronary heart disease
| Â | Coronary heart disease | Â | |
|---|---|---|---|
| Â | Â | Yes | No |
Angina pectoris | Yes | High-risk and cause of symptoms | Low-risk and cause of symptoms unclear |
| Â | No | High-risk but either symptoms unrelated or atypical presentation | Low-risk and other cause of symptoms likely |