A premature ventricular contraction occurs when a focus in the ventricle generates an action potential before the next scheduled sinoatrial nodal action potential. Premature, occurring earlier ...

Millions of people around the world live with cardiac arrhythmias. Only in Spain, it is estimated that more than one million ...

Dear Dr. Roach: Several months ago, I developed a case of a bigeminy heartbeat. My cardiologist prescribed metoprolol. At about the same time, I had reduced my intake of magnesium from about 50% of ...

In 3 cases competition was produced by the return of normal atrioventricular conduction (2 of these patients also had associated premature ventricular contractions). In 2, premature ventricular ...

There are two types of premature beats, a premature atrial contraction in the top chamber of the heart and a premature ...

AVRT = atrioventricular reciprocating tachycardia; HPS = His-Purkinje system; PVC = premature ventricular contraction ... circuit (illustrations 2 and 3). The final beat entrains the tachycardia ...

VPCs (also called ventricular premature contractions, ventricular premature ... sinus depolarization would suppress it 2,3. Figure 2: An ECG obtained from a beagle dog 21 days later, showing ...

Bigeminy, more precisely ventricular bigeminy, is a term most people probably haven’t heard of. Ventricular bigeminy is when every other beat is a PVC and alternates with regular beats.

A premature ventricular contraction occurs when a focus in the ventricle generates an action potential before the next scheduled sinoatrial nodal action potential. Ventricular bigeminy occurs when ...