Question

what is ECG? tell brief

Answer 1

An ECG (electrocardiogram) records the electrical activity of your heart at rest. It provides information about your heart rate and rhythm, and shows if there is enlargement of the heart due to high blood pressure (hypertension) or evidence of a previous heart attack (myocardial infarction).

hope it helps u (:

Answer 2

EcG => electrocardiogram
It measures the impulse produced by the heart
In a cardiac cycle.