Figure 1.

Hemodynamic measurements at rest, PLR and peak exercise for the four groups: Control (n = 7, green), Ipc‐PH (n = 18, blue), Cpc‐PH (n = 15, grey), and PAH (n = 10, red). *p < 0.05 versus Control; ^# p < 0.05 versus Ipc‐PH; †p < 0.05 versus Cpc‐PH within each condition. CO, cardiac output; Cpc‐PH, combined pre/post‐capillary PH; Ipc‐PH, isolated post‐capillary PH; mPAP, mean pulmonary artery pressure; PAH, pulmonary arterial hypertension; PCWP, pulmonary capillary wedge pressure; PLR, passive leg raise maneuver; TPR, total pulmonary resistance