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.

Pulmonary Arteriovenous Malformations (PAVMs): Abnormal connections between pulmonary arteries and veins that can lead to oxygenation issues in the blood. This Nature Research Intelligence Topic ...

Platypnea occurs in settings including pulmonary arteriovenous malformations (hepatopulmonary syndrome) and left atrial myxoma. The classic triad of symptoms from aortic stenosis is dyspnea on ...

A vascular malformation is also known as lymphangioma, arteriovenous malformations, and vascular gigantism. A hemangioma is another type of birthmark. It is the most common benign (non-cancerous) ...

Spinal vascular malformations, also known as spinal arteriovenous malformations (AVMs), are the result of an abnormal connection between arteries and veins that occurs within the spinal canal or ...

Rupture of a pulmonary arteriovenous malformation (PAVM) is a life-threatening event that occurs more frequently during pregnancy. Hormone-induced angiogenesis has been proposed as a possible cause.