Atrial Fibrillation

An Reference electrocardiogram (EKG, ECG) is the best and simplest way to find out whether you have atrial fibrillation. It is usually done along with a Reference 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 Reference ambulatory electrocardiogram, ambulatory EKG, Holter monitoring, 24-hour EKG, and cardiac event monitoring.

Other tests

Other tests your doctor may recommend include:

• Reference Electrophysiology (EP) study. This test can help your doctor see if there is a problem with your heartbeat (heart rhythm) and find out how to fix it.
• Reference Exercise electrocardiogram. Also called a stress test, this test will help your doctor see whether you have coronary artery disease.
• Reference Echocardiogram. This test can show whether your Reference heart valves Opens New Window are damaged, how well your heart is pumping, and whether you have heart failure or have had a heart attack.
• A blood test to check for Reference hyperthyroidism Opens New Window.
• Reference Prothrombin time. If you take Reference warfarin (such as Coumadin) you will need to have this type of blood test regularly to check how long it takes for your blood to clot.

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This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.