Pulmonary hypertension (PH) is a disease characterized by elevated by pulmonary artery pressure, which often results in right ventricular failure. It is defined by a mean pulmonary artery pressure (PAP) = 25 mmHg at rest as assessed by right heart catheterization (RHC). Primary hypertension (PPH) is a clinical syndrome of pulmonary hypertension that progresses rapidly to right ventricular fail…