PREVIOUS QUESTION:

 

NEXT QUESTION:

 

How are blood tests used to diagnose atrial fibrillation?

ANSWER

These can point your doctor to what might be causing your atrial fibrillation. Blood tests may check for infection, thyroid, and kidney problems, signs of a heart attack, and more.

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:

What questions should I ask my doctor about atrial fibrillation if I take blood thinners and this is a checkup or follow-up visit?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.