| Variables | Frequency (%) |
| Signs and symptoms (n = 103) |
|
| Dyspnea | 86 (83.4) |
| Chest pain | 81 (78.6%) |
| Cough | 42 (40.8) |
| Hemoptysis | 11 (10.7) |
| Right heart failure | 24 (23.3) |
| Cardiogenic shock | 8 (7.8) |