| ECG/Diagnostic imaging | Frequencies (n = 67) | Percentage (%) | |
| Electrocardiogram | Sinus tachycardia | 65 | 97.01 |
| Low QRS voltage | 27 | 40.29 | |
| Electrical alternans | 39 | 56.71 | |
| PR segment depression | 2 | 2.32 | |
| Chest X-ray | Water bottle heart | 67 | 100 |
| Pleural effusion | 38 | 56.71 | |
| Pulmonary TB lesion | 9 | 13.43 | |
| Echocardiography | Small effusion (<10 mm) | 0 | 0 |
| Moderate effusion (10 - 20 mm) | 28 | 43.28 | |
| Large effusion (>10 mm) | 39 | 58.20 | |
| Circumferential effusion | 42 | 62.68 | |
| Focal effusion | 25 | 37.31 | |
| Cardiac tamponade signs | 38 | 56.71 | |