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. 2021 Jun 4;85(1):1–10. doi: 10.4046/trd.2021.0022

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Fig. 1. — Diagnostic algorithm of pulmonary hypertension. Modified from Galie N et al. Eur Heart J 2016;37:67–119, with permission from Oxford University Press [1]. PH: pulmonary hypertension; ECG: electrocardiography; PFT: pulmonary function test; DLCO: diffusing capacity of the lung for CO; HRCT: high-resolution computed tomography; RV: right ventricular; CTEPH: chronic thromboembolic pulmonary hypertension; CT: computed tomography; RHC: right heart catheterization; mPAP: mean pulmonary artery pressure; PAWP: pulmonary artery wedge pressure; PVR: pulmonary vascular resistance; PAH: pulmonary arterial hypertension; HIV: human immunodeficiency virus; PVOD/PCH: pulmonary veno-occlusive disease or pulmonary capillary hemangiomathosis.