what do you mean by ECG
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Hi there!!
An electrocardiogram (ECG) is a test which measures the electrical activity of your heart to show whether or not it is working normally. An ECG records the heart's rhythm and activity on a moving strip of paper or a line on a screen.
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ECG_electro cardio gram..it is used to record the electrical activity of the heart over a period of time nd is placed over the skin.....
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