Ventricular fibrillation is more serious than atrial fibrillation . Ventricular fibrillation frequently results in loss of consciousness and death, because ventricular arrhythmias are more likely to interrupt the pumping of blood, or undermine the heart’s ability to supply the body with oxygen-rich blood.
Read moreWhat is the difference between tachycardia and ventricular tachycardia?
Tachycardia is a very fast heart rate of more than 100 beats per minute. The many forms of tachycardia depend on where the fast heart rate begins. If it begins in the ventricles, it is called ventricular tachycardia . If it begins above the ventricles, it is called supraventricular tachycardia.
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