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.

Numerous patients’ rights advocacy groups suggest the Uniform Determination of Death Act (UDDA) is a flawed standard that ...

Platypnea occurs in settings including pulmonary arteriovenous malformations (hepatopulmonary ... aortic stenosis when symptoms develop or left ventricular systolic dysfunction occurs.