Recent studies have provided important information on the nature of PV electrophysiology and of the role of the PVs in initiation and maintenance of AF. Reentry is responsible for the majority of ...
The upper pulmonary veins (PVs) are responsible for the majority of atrial fibrillation (AF) triggering foci, whereas the inferior PVs are more difficult to ablate and prone to postablation ostial ...
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 ...