| Indication | % | |
| Not indicated – Age >65 years, no cardiac disease suspected | 20 | |
| Indicated – cardiac disease suspected | 80 | |
| Signs and/or symptoms of cardiac disease | 26 | |
| Known cardiac disease but suspecte deterioration | 15 | |
| Murmum on auscultation (not previously documented) | 15 | |
| Abnormal cardiac investigation (not echo) | 8 | |
| Unable to exercise and cardiac disease suspected | 9 | |
| Pulmonary hypertension and/or RV failure suspected | 5 | |
| Previous peri-operative cardiac complication(s) | 2 | |
| Total | 100 | |