Figure 3.
(A) Mean pulmonary arterial pressure at rest; (B) pulmonary vascular resistance at rest; (C) mean pulmonary arterial pressure at peak exercise; and (D) pulmonary vascular resistance at peak exercise in control subjects, patients with heart failure with preserved ejection fraction and N-terminal of the pro-hormone B-type natriuretic peptide <125 ng/L vs. ≥125 ng/L in sinus rhythm or <375 ng/L vs. ≥375 ng/L in atrial fibrillation. HFpEF, heart failure with preserved ejection fraction; mPAP, mean pulmonary arterial pressure; NT-proBNP, N-terminal of the pro-hormone B-type natriuretic peptide; PVR, pulmonary vascular resistance.