| Etiologies | Number | % |
| Acute coronary syndrom | 55 | 34 |
| Pulmonary embolism | 41 | 25.3 |
| Hypertension | 39 | 24.1 |
| Cardiomyopathy | 8 | 4.9 |
| Heart rhythm disorders | 8 | 4.9 |
| Decompensated or pulmonale chronicum | 5 | 3.1 |
| Conduction disorders | 3 | 1.9 |
| Valvular heart diseases | 2 | 1.2 |
| Pericardial effusion (tamponnade) | 1 | 0.6 |
| Total | 162 | 100 |