Ambulatory cardiac monitoring is a way to watch and record the electrical activity of your heart. It is done as you go about your daily activities. Most of the recording devices are roughly the size of a cell phone.
Heartbeat on EKG Monitor
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This test is used to determine whether the heart may be beating too slow or too fast. It also detects any abnormalities in heart rhythm.
Your heartbeat is regulated by electrical impulses. Sometimes there are abnormalities with these impulses. When the abnormality is happening all the time, it is easy to find in the doctor's office. But, sometimes the problem comes and goes. Ambulatory cardiac monitoring records your heart’s electrical activity for long periods of time. The length of time makes it much more likely to catch an abnormality that comes and goes.
Your doctor may advise ambulatory cardiac monitoring to assess:
You will first be evaluated by a doctor. An electrocardiogram (ECG) checks the electrical activity of your heart. It will likely be done in the office.
The test steps will depend on the type of device used:
Certain environmental interferences should be avoided, including: magnets, metal detectors, high-voltage wires, radio frequency signalers, microwave ovens, electric blankets, electric toothbrushes, and electric razors.
After the procedure, you will return the equipment.
A typical interval is 24 hours. If your problem is less frequent than that, you may need to be monitored for a longer period of time. Longer monitoring often requires different devices.
This test will not hurt. Sometimes removing the electrodes can be uncomfortable.
The information recorded by the monitor will be evaluated. Your doctor will let you know if you need any more tests or treatment based on the study.
American Heart Association
Heart Rhythm Society
Canadian Cardiovascular Society
Heart and Stroke Foundation of Canada
Abbott AV. Diagnostic Approach to Palpitations. Am Fam Physician. 2005;71(4):743-750.
Ambulatory monitors. Cleveland Clinic Heart Center website. Available at: http://my.clevelandclinic.org/heart/services/tests/electrocard/ambmonitor.aspx. Updated September 2011. Accessed May 20, 2013.
Kadish A, Buxton A, Kennedy H, et al. ACC/AHA clinical competence statement on electrocardiography and ambulatory electrocardiography. J Am Coll Cardiol. 2001;38(7):2091-2100.
Last reviewed May 2013 by Michael J. Fucci, DO; Brian Randall, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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