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What is a Holter monitor electrocardiography (ECG)?

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An ECG is a test that measures the movement of electrical signals or waves through your heart. These signals tell your heart to contract (squeeze) and pump blood. Sometimes they aren't working right, and the irregular rhythm that results can lead to heart attack or stroke. The Holter monitor is a portable ECG you use at home.

Sources

American Heart Association: "Holter Monitor," "Electrocardiogram (ECG or EKG)," "FAQs About Atrial Fibrillation," "Prevention and Treatment of Arrhythmia," "FAQs of Atrial Fibrillation (AFib or AF)," "About Arrhythmia," "Warning Signs of a Heart Attack."   

Johns Hopkins University: "Holter Monitor."

NIH: "Who Needs a Holter or Event Monitor?"

Zimetbaum, P. Circulation, Oct. 19, 2010.

Reviewed by James Beckerman on August 24, 2020

Sources

American Heart Association: "Holter Monitor," "Electrocardiogram (ECG or EKG)," "FAQs About Atrial Fibrillation," "Prevention and Treatment of Arrhythmia," "FAQs of Atrial Fibrillation (AFib or AF)," "About Arrhythmia," "Warning Signs of a Heart Attack."   

Johns Hopkins University: "Holter Monitor."

NIH: "Who Needs a Holter or Event Monitor?"

Zimetbaum, P. Circulation, Oct. 19, 2010.

Reviewed by James Beckerman on August 24, 2020

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How does the Holter monitor work?

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