Cardiac electrophysiology
Cardiac electrophysiology (/kɑːrˈdiːæk ˌɛlɛkˌtroʊfɪˈzɪɒlədʒi/) is the science of elucidating, diagnosing, and treating the electrical activities of the heart. The term is usually used to describe studies of such phenomena by invasive (intracardiac) catheter recording of spontaneous activity as well as of cardiac responses to programmed electrical stimulation (PES).
Etymology
The term "Cardiac electrophysiology" is derived from the Greek words kardia meaning "heart", electron meaning "amber", and physiologia meaning "natural philosophy".
Related Terms
- Electrocardiogram (ECG or EKG): A recording of the electrical activity of the heart.
- Cardiac cycle: The complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next.
- Cardiac action potential: The short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls.
- Cardiac pacemaker: A device that uses electrical impulses, delivered by electrodes contacting the heart muscles, to regulate the beating of the heart.
- Arrhythmia: A condition in which the heart beats with an irregular or abnormal rhythm.
See Also
External links
- Medical encyclopedia article on Cardiac electrophysiology
- Wikipedia's article - Cardiac electrophysiology
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