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Atrial Fibrillation - Exams and Tests

An electrocardiogram (EKG, ECG) is the best and simplest way to find out whether you have atrial fibrillation. It is usually done along with a medical history and physical exam.

If your doctor suspects that you have atrial fibrillation that comes and goes, he or she may ask you to use a device to record your heart rhythm for a while. This is referred to by several names, including ambulatory electrocardiogram, ambulatory EKG, Holter monitoring, 24-hour EKG, and cardiac event monitoring. Your doctor might also use this device to check how well a medicine is working.

Recommended Related to Atrial Fibrillation

When Someone With AFib Has Trouble

Most episodes of atrial fibrillation aren't life-threatening, but an irregular heartbeat can cause complications like a heart attack or stroke. When you're prepared to spot and handle what's going on, you can help your loved one get the medical care he needs faster, and ease your worries, too.   To get started, make a list of his health conditions and the medications he takes. That way, you can share the list with medical professionals during any emergency. If your loved one takes blood thinners,...

Read the When Someone With AFib Has Trouble article > >

Other tests

Other tests your doctor may recommend include:

WebMD Medical Reference from Healthwise

Last Updated: March 12, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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