Echocardiographic probability of pulmonary hypertension (PH) in symptomatic patients with suspicion of pulmonary hypertension
| Peak tricuspid regurgitation velocity (m/s) | Presence of other echocardiographic signs of PH | Echocardiographic probability of pulmonary hypertension |
| <2.8 or not measurable | No | Low |
| <2.8 or not measurable | Yes | Intermediate |
| 2.9–3.4 | No | |
| 2.9–3.4 | Yes | High |
| >3.4 | Not required |