Assertion: ventricular fibrillation | /r/HasProperty | abnormal heart rhythm
Facets:
Source sentences:
text: Ventricular fibrillation (V-fib or VF) is an abnormal heart rhythm in which the ventricles of the heart quiver instead of pumping normally.
text: Ventricular fibrillation (V-fib) is an abnormal heartbeat where the heart beats too quickly, with erratic electrical impulses.
text: Ventricular Fibrillation (VF) is an abnormal heart rhythm (arrhythmia) which causes sudden cardiac arrest.