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

Pulmonary arterial hypertension is caused by narrowing of the blood vessels in the lungs. Learn how it happens, including ...

Answer: The patient's clinical presentation is consistent with severe pulmonary hypertension (most likely due to her HIV disease). Her ECG revealed right ventricular hypertrophy which results from ...

A larger diameter of the main pulmonary artery predicts poorer outcomes in pulmonary arterial hypertension (PAH) patients, a study found.