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Documented indications for the 45 patients who received a pre-operative echocardiogram.
| Indication | Number | Percent |
| Chronic stable heart failure | 11 | 24 |
| Chronic stable valve disease | 9 | 20 |
| New murmur | 10 | 22 |
| Previous myocardial infarction | 6 | 13 |
| Syncope | 5 | 11 |
| Dyspnea | 2 | 4 |
| Atrial fibrillation | 2 | 4 |
