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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

Atrial Fibrillation and Heart Disease

The heart has four areas, or chambers. During each heartbeat, the two upper chambers (atria) contract, followed by the two lower chambers (ventricles). This is directed by the heart's electrical system. The electrical impulse begins in an area called the sinus node, located in the right atrium. When the sinus node fires, an impulse of electrical activity spreads through the right and left atria, causing them to contract, forcing blood into the ventricles. Then the electrical impulses travel in...

Read the Atrial Fibrillation and Heart Disease 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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