An electrocardiogram (ECG or EKG) is a test to record the electrical signals in the heart. It shows how the heart is beating. Sticky patches called electrodes are placed on the chest and sometimes on the arms or legs. Wires connect the patches to a computer, which prints or displays results.
Apr 2, 2024
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Electrocardiography
Medical test
Electrocardiography is the process of producing an electrocardiogram, a recording of the heart's electrical activity through repeated cardiac cycles. It is an electrogram of the heart which is a graph of voltage versus time of the electrical... Wikipedia
The electrocardiogram (abbreviated as ECG or EKG) represents an electrical tracing of the heart and is recorded non-invasively from the surface of the body.
Feb 11, 2024 · An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check ...
Apr 30, 2012 · Electrocardiograms were initially used to study arrhythmias. In 1909, Sir Thomas Lewis of University College Hospital, London, discovered that ' ...