Electrogram - Wikipedia
https://en.wikipedia.org/wiki/Electrogram
OverviewHeartBrainEyeOther musclesSee alsoFurther readingAn electrocardiogram (ECG or EKG) is an electrical recording of the activity of the heart. The typical meaning of an "ECG" is the 12-lead ECG that uses 10 wires or electrodes to record the signal across the chest. Interpretation of an ECG is the basis of a number of cardiac diseases including myocardial infarction (heart attack) and arrhythmias such as atrial fibrillation. When electrical recordings are made from the skin, it is considered to be an ECG as described a…
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