Table 1.

Overview of the 2022 ESC/ERS Definitions of PH

Type of PH	Definition
Precapillary PH	mPAP > 20 mm Hg PAWP ⩽ 15 mm Hg PVR > 2 WU
Isolated postcapillary PH	mPAP > 20 mm Hg PAWP > 15 mm Hg PVR ⩽ 2 WU
Combined pre- and postcapillary PH	mPAP > 20 mm Hg PAWP > 15 mm Hg PVR > 2 WU

Definition of abbreviations: ERS = European Respiratory Society; ESC = European Society of Cardiology; mPAP = mean pulmonary artery pressure; PAWP = pulmonary artery wedge pressure; PH = pulmonary hypertension; PVR = pulmonary vascular resistance; WU = Wood units.