Electrogram recordings in a patient with a focal pulmonary vein (PV) tachycardia originating from the right upper PV (RUPV). The fluoroscopic image (left anterior oblique projection) in (A ...

Veins in the lungs, or pulmonary veins, play a critical role ... not one that occurs during normal lung development after birth. These findings have been published in Nature Cardiovascular Research.

All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...