Pulseless ventricular tachycardia occurs when an abnormally rapid heart rate originating in the heart’s lower chambers makes a pulse undetectable. Emergency cardiac defibrillation is usually necessary ...

Antiarrhythmic drugs are used commonly in out-of-hospital cardiac arrest for shock-refractory ventricular fibrillation or pulseless ventricular tachycardia, but without proven survival benefit. In ...

Ventricular tachycardia is a type of arrhythmia, or irregular heart rhythm. Sometimes called VT or V-tach, it’s an unusually fast heartbeat that starts in the lower part of your heart called the ...

Registry data suggest that one third of the patients who would benefit most are not receiving timely defibrillation. In the U.S., in-hospital cardiac arrest occurs about twice as often as ...