The most serious complications of untreated AFib include the following: Rapid ventricular rate (RVR) is a complication of atrial fibrillation that affects the rate at which your ventricles (two ...

Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the blood collects when it enters the heart. The ventricles ...

Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the blood collects when it enters the heart. The ventricles ...

Because the AV node is intermittently (not regularly) refractory, the QRS complexes that are produced when an atrial action potential does reach the ventricles will occur in an “irregularly ...

The Lown-Ganong-Levine (LGL) syndrome occurs when an accessory pathway is congenitally present that directly connects the atria to the ventricles, bypassing the AV node similar to the Wolff ...