A Holter monitor is a small machine that records the
electrical activity of your heart. You wear it for 24 to 48 hours while you do all your normal activities.
The monitor has wires that attach to small
electrode pads. These pads are taped to your chest.
This kind of machine has many different names. It is sometimes called an ambulatory monitor, an
ambulatory electrocardiogram, or an ambulatory EKG. It can also be called a 24-hour EKG or a cardiac
You may have this test to find
out if you have a problem with your heart. Many heart problems can only be noticed when you are doing something. They may happen when you exercise, eat, have sex, or sleep. Or they may happen when you have a bowel movement or you feel stressed. Your Holter monitor will record the way your heart beats during all of these activities.
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Current as of:
January 27, 2016
Adam Husney, MD - Family Medicine
& E. Gregory Thompson, MD - Internal Medicine
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