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Electrocardiography

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An Electrocardiogram (abbreviated as either ECG or EKG) is graphic produced by an electrocardiograph, which records the changes in the electrical current in the heart during heartbeats in the form of a continuous strip graph. The results of the ECG are used to tell whether the heart is performing normally or suffering from abnormalities (eg.extra or skipped heartbeats - Cardiac arrhythmia).

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