Ventricular escape beat
Ventricular Escape Beat
Ventricular escape beat (pronunciation: ven-TRIK-yoo-lar es-CAPE beet) is a type of heart rhythm disturbance that originates from the ventricles of the heart.
Etymology
The term "ventricular" is derived from the Latin word "ventriculus" which means "little belly", referring to the lower chambers of the heart. "Escape beat" refers to a beat that occurs when the normal electrical conduction system of the heart fails to generate a beat, and a lower, backup pacemaker takes over.
Definition
A ventricular escape beat is a self-generated beat that originates from the ventricles, the lower chambers of the heart, when the normal electrical conduction system of the heart fails to generate a beat. This can occur when the atria, the upper chambers of the heart, fail to send an electrical signal, or when the signal is blocked before it reaches the ventricles.
Related Terms
- Ventricular Escape Rhythm: A series of ventricular escape beats that occur regularly.
- Ventricular Fibrillation: A life-threatening heart rhythm disturbance where the ventricles quiver instead of pumping blood.
- Ventricular Tachycardia: A fast heart rate that originates from the ventricles.
- Atrioventricular Block: A blockage of the electrical signal from the atria to the ventricles.
See Also
External links
- Medical encyclopedia article on Ventricular escape beat
- Wikipedia's article - Ventricular escape beat
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