Indications for transthoracic echocardiography in pulmonary embolism
| Pulmonary embolism severity index (PESI) class III to V, or simplified PESI score ≥ 1 |
| Right ventricular dysfunction or strain on computed tomographic angiography |
| Sinus tachycardia (heart rate > 100 beats per minute) |
| Persistent bradycardia (heart rate < 40 beats per minute) |
| Elevated cardiac troponin or N-terminal pro-B-type natriuretic peptide |
| New complete or incomplete right bundle branch block |
| Changes in anteroseptal ST segment or T wave |