There has been little research on optimal treatments for pediatric patients with pulmonary arterial hypertension, but the Kids MoD PAH Trial is expected to change this by clearing up if sildenafil ...

You are at increased risk for pulmonary emboli if you have antiphospholipid antibodies, vascular damage, and/or an inactive lifestyle.

Pulmonary embolism is the sudden blockage of a major blood vessel (artery) in the lung, usually by a blood clot. In most cases, the clots are small and aren't deadly, but they can damage the lung. But ...