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How is an event monitor used to diagnose atrial fibrillation?

ANSWER

This works like a Holter monitor, but it only records your heart's activity at certain times. It might automatically start recording when it senses something is off. Or you might have to push a button when you feel:

You may need to wear it for a couple of months -- as long as it takes to catch and record the trouble.

  • Dizzy
  • Weak
  • Lightheaded
  • A racing or fluttering heart

SOURCES:

National Heart Lung and Blood Institute: "How is Atrial Fibrillation Diagnosed?"

American Heart Association: "Common Tests for Arrhythmia."

Northwestern Memorial Hospital: "Atrial Fibrillation Express Test."

Heart Rhythm Society: "Diagnosing Atrial Fibrillation (AFib)."

Medscape: "Atrial Fibrillation Workup: Lab Studies."

Reviewed by James Beckerman on May 17, 2018

SOURCES:

National Heart Lung and Blood Institute: "How is Atrial Fibrillation Diagnosed?"

American Heart Association: "Common Tests for Arrhythmia."

Northwestern Memorial Hospital: "Atrial Fibrillation Express Test."

Heart Rhythm Society: "Diagnosing Atrial Fibrillation (AFib)."

Medscape: "Atrial Fibrillation Workup: Lab Studies."

Reviewed by James Beckerman on May 17, 2018

NEXT QUESTION:

How is a stress test used to diagnose atrial fibrillation?

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