Ectopic pacemaker
Ectopic Pacemaker
An Ectopic Pacemaker (pronounced: ek-TOP-ik PACE-maker) is an abnormality in the cardiovascular system that can lead to various heart conditions.
Etymology
The term "Ectopic Pacemaker" is derived from the Greek word "ektopos" meaning "out of place" and the English word "pacemaker" which refers to a device that regulates the beating of the heart.
Definition
An Ectopic Pacemaker is a group of cells that abnormally initiates a heart beat. Normally, the sinoatrial node (SA node) acts as the natural pacemaker of the heart. However, in certain conditions, other cells in the heart can take over this role, leading to an irregular heartbeat or arrhythmia.
Related Terms
- Arrhythmia: A condition in which the heart beats with an irregular or abnormal rhythm.
- Sinoatrial node (SA node): The natural pacemaker of the heart.
- Cardiovascular system: The system in the body that circulates blood and lymph fluid, consisting of the heart, blood vessels, and the lymphatic system.
See Also
External links
- Medical encyclopedia article on Ectopic pacemaker
- Wikipedia's article - Ectopic pacemaker
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