Table 4. Echocardiographic probability of pulmonary hypertension (PH) in symptomatic patients with a suspicion of PH, adapted from the original WSPH document (with prior permission).

Peak tricuspid regurgitation velocity, m/s	Presence of other echocardiographic “PH signs”	Echocardiographic probability of PH
≤2.8 or not measurable	No	Low
>2.8 or not measurable, 2.9–3.4	Yes, no	Intermediate
2.9–3.4, >3.4	Yes, not required	High