Tachycardias, which respond to vagal maneuvers or other cholinergic agents like adenosine, are usually due to re-entry and involve the compact region of the atrioventricular (AV) node. Vagal ...

While swallowing is considered an effortless, reflexive action, it's actually quite a complicated and coordinated maneuver involving many muscles and nerves. As a result, neurological conditions ...