what is ECG???????????????????
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An electrocardiogram (ECG or EKG) is a record of the electrical activity of the heart over a period of time. It was invented by Willem Einthoven. It is done by electrodes attached to the outer surface of the skin and recorded by a device outside the body. An electrocardiogram is used to monitor your heart.
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Electrocardiogram (ECG)
Explanation:
An electrocardiogram (ECG) is a simple test that can be used to check your heart's rhythm and electrical activity.
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