Clinical signs of PAH which has progressed (cardiac specific)42
| Increased intensity of the second heart sound (P2) |
| Transmission of the P2 to the cardiac apex |
| Increase in jugular venous pressure |
| Signs of tricuspid regurgitation |
| Pulmonary ejection sounds and pulmonary insufficiency murmur |
| Right ventricular S3 gallop (signifies right ventricular failure) |
| Systolic pulsation over the second left intercostal space (signifies dilated pulmonary artery) |