Pulmonary arterial hypertension (PAH) is a rare form of pulmonary hypertension. It occurs because progressive vascular ...

The new drug sotatercept stops the remodelling of the pulmonary vessels and even helps patients with advanced pulmonary arterial hypertension (PAH) who have not yet been treated.

Acute obstruction of the pulmonary circulation by a blood clot can lead to circulatory failure with a high mortality rate.

Main pulmonary artery diameter is a prognostic indicator in patients with pulmonary arterial hypertension without congenital heart disease.

A pulmonary arteriovenous malformation is an abnormal connection between an artery and a vein within the lungs that allows deoxygenated venous blood to pass directly into the system circulation.