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Online Medical Reviewer: Anne Clayton APRN
Online Medical Reviewer: Glenn Gandelman MD MPH
Online Medical Reviewer: Lu Cunningham RN BSN
Date Last Reviewed: 01/01/2025
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Event Monitor
An event monitor is a portable device used to record your heart's electrical activity when you have symptoms. It records the same information as an electrocardiogram (ECG), but for longer durations of time. Most of these devices can send the recorded information directly to your healthcare provider. This allows him or her to analyze the electrical activity of your heart while you are having symptoms.
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What Is Holter Monitoring?
Holter monitoring is a painless way to record your heartbeat away from your healthcare provider's office. It's a small electrocardiogram (ECG) that you carry with you. Holter monitoring records your heartbeat for your provider to review at a later time.