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 ...

The guidelines for advanced cardiac life support (ACLS) underwent a comprehensive 5-year update in 2020, but focused updates for 2021 highlight the chain of survival, both in- and out-of-hospital, ...

Ventricular tachycardia (v-tach or VT) is a very fast heart rhythm that begins in the ventricles. The condition most commonly affects people who have heart disorders, such as coronary artery disease ...

Tachycardia refers to a fast resting heart rate, usually over 100 beats per minute (bpm) in adults. Some people experience no symptoms, but others may notice palpitations and lightheadedness, among ...