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Holter monitor (24h) - Results

Alternative Names

Ambulatory electrocardiography; Electrocardiography - ambulatory

Normal Values:

Normal variations in heart rate occur with activities. A normal result is no significant changes in heart rhythms or pattern.

What abnormal results mean:

Abnormal results may include various arrhythmias. Changes may mean that the heart is not getting enough oxygen.

The monitor may also detect conduction block, a condition in which the atrial electrical activity is either delayed or does not continue into the ventricles of the heart.

  • Reviewed last on: 6/1/2010
  • Issam Mikati, MD, Associate Professor of Medicine, Feinberg School of Medicine, Director, Northwestern Clinic Echocardiography Lab, Northwestern University, Chicago, IL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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