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What happens during an electrocardiogram (EKG)?

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During an EKG, a technician will attach 10 electrodes to the skin of your chest, arms, and legs. Men may have chest hair shaved to allow for a better connection. You'll lie flat while the computer makes a picture, on graph paper, of the electrical impulses traveling through your heart. This is called a "resting" EKG. Your doctor may also want to do the test while you do some form of exercise.

It takes about 10 minutes to attach the electrodes and finish the test, but the actual recording takes only a few seconds.

SOURCE: American Heart Association.

Reviewed by James Beckerman on February 04, 2019

SOURCE: American Heart Association.

Reviewed by James Beckerman on February 04, 2019

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