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What is a heart attack?

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A heart attack happens when blood doesn't flow to the organ like it should because of a blockage. This can damage its tissue and can be deadly.

From: When Someone With AFib Has Trouble WebMD Medical Reference

SOURCES:

AFib Matters: "About Atrial Fibrillation."

American Heart Association: "Aspirin and Heart Disease."

American Heart Association/American Stroke Association: "FAQs of Atrial Fibrillation" (AFib or AF)," "Learn More Stroke Warning Signs and Symptoms."

British Heart Foundation: "Heart Attack."

Harvard Medical School: "Aspirin For Heart Attack."

Legacy Health: "Stroke FAQ."

National Institute of Neurological Disorders and Stroke: "Know Stroke. Know the Signs. Act in Time."

National Heart, Lung, and Blood Institute: "Don't Take a Chance with a Heart Attack." 

National Heart, Lung, and Blood Institute: "What Are The Signs and Symptoms of Atrial Fibrillation?"

St. Joseph's Hospital Heart Institute Advanced Center for Atrial Fibrillation: "Atrial Fibrillation: Frequently Asked Questions."

StopAbFib.org: "How To Know It's Atrial Fibrillation."

Reviewed by James Beckerman on April 26, 2018

SOURCES:

AFib Matters: "About Atrial Fibrillation."

American Heart Association: "Aspirin and Heart Disease."

American Heart Association/American Stroke Association: "FAQs of Atrial Fibrillation" (AFib or AF)," "Learn More Stroke Warning Signs and Symptoms."

British Heart Foundation: "Heart Attack."

Harvard Medical School: "Aspirin For Heart Attack."

Legacy Health: "Stroke FAQ."

National Institute of Neurological Disorders and Stroke: "Know Stroke. Know the Signs. Act in Time."

National Heart, Lung, and Blood Institute: "Don't Take a Chance with a Heart Attack." 

National Heart, Lung, and Blood Institute: "What Are The Signs and Symptoms of Atrial Fibrillation?"

St. Joseph's Hospital Heart Institute Advanced Center for Atrial Fibrillation: "Atrial Fibrillation: Frequently Asked Questions."

StopAbFib.org: "How To Know It's Atrial Fibrillation."

Reviewed by James Beckerman on April 26, 2018

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What are the symptoms of a heart attack?

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