| Clinical Features | No. of patients |
| Dyspnea | 122 |
| Orthopnea | 57 |
| Palpitation | 33 |
| Cough | 31 |
| Hemoptysis | 6 |
| Syncope | 6 |
| Pedal edema | 31 |
| Abdominal distension | 22 |