![]() There are several different types of event recorders. If you didn't have any irregular heart rhythms while you wore a Holter monitor, your health care provider may recommend an event recorder, which can be worn for a longer time. Your health care provider will usually compare the diary with the electrical recordings and try to figure out the cause of your symptoms. While wearing the monitor, you may be asked to keep a diary of your activities and symptoms. Wires from sensors on the chest connect to a battery-operated recording device carried in a pocket or worn on a belt or shoulder strap. You typically wear a Holter monitor for 1 to 2 days. It may be able to spot irregular heart rhythms that an ECG missed. A Holter monitor is a small, wearable device that keeps track of the heart rhythm. It shows the size and structure of the heart and how blood is flowing through the heart. This noninvasive test uses sound waves to create pictures of the heart in motion. An ECG can show if the heart is beating too fast, too slow or not at all. Wires connect the electrodes to a computer, which displays the test results. Sticky patches (electrodes) are placed on the chest and sometimes the arms and legs. An ECG is a quick and painless test that measures the electrical signals that make the heart beat. ![]()
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