Ventricular fibrillation is often a fatal arrhythmia. It occurs when the ventricular rate exceeds 400. In this setting, virtually no forward cardiac output occurs. Advanced Cardiac Life Support ...

Individual case reports 4,5 have documented the onset of ventricular fibrillation or tachycardia, or both, at the moment of inscription of the pacemaker impulse. To avoid the vulnerable period of ...

The classic arrhythmias seen during digoxin toxicity include atrial tachycardia with a 2:1 conduction, bidirectional ventricular tachycardia and atrial fibrillation with a slow ventricular response.

Atrial fibrillation (AF) and chronic heart failure ... options for prevention of AF in patients with ventricular dysfunction. In conclusion, AF is associated with increased mortality in CHF ...

that originates from one of the ventricles in the heart. The condition can lead to ventricular fibrillation and, therefore, sudden cardiac death.