Figure 1
From: Exercise pulmonary hypertension in patients with systemic sclerosis based on updated guidelines

Flowchart of patients with SSc who underwent cardiopulmonary exercise testing with right heart catheterization. CO, cardiac output; ex-PH, exercise pulmonary hypertension, mPAP, mean pulmonary arterial pressure; PAWP, pulmonary arterial wedge pressure; PH, pulmonary hypertension; PVR, pulmonary vascular resistance; SSc, systemic sclerosis.