Electrocardiogram or “ECG”

This test measures the electrical activity of the heart. Electrical wires with adhesive ends are placed on the skin of your chest, arms, and legs. The electrical activity of the heart is then recorded on a piece of paper.

What it shows: The ECG can identify a previous heart attack, a change in your heart rhythm, evidence of a thickened heart muscle as well as some other conditions.

A Holter Monitor is a portable device that allows for a continuous ECG recording of heart rhythm during normal activity. This recording can last anywhere from 24 hours to 2 weeks.

What it shows:
The rhythm and regularity of your heart and whether it is normal or abnormal

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