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How do heart attacks happen?

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Most heart attacks happen suddenly when one of the arteries leading to the heart becomes blocked and cuts off the blood flow. Without oxygen, the heart muscles start to die.

SOURCES:

Go Red for Women: "Causes and Prevention of Heart Disease."

South County Health: "Heart Attack vs. Heart Failure."

National Heart, Lung, and Blood Institute: "What Is Heart Failure?" "What Is a Heart Attack?" "What Causes Heart Failure?" "What Causes a Heart Attack?" "How Is a Heart Attack Treated?" "How is Heart Failure Treated?"

Heartfailurematters.org: "What are the different types of heart failure?"

American Heart Association: "About Heart Attacks," "Causes of Heart Failure," "Warning Signs of a Heart Attack," "Heart Attack Symptoms in Women," "What Is Heart Failure?" "Treatment of a Heart Attack."

Columbia University: "Cardiomyopathy and Congestive Heart Failure."

CDC: "Heart Attack Signs and Symptoms."

 

Reviewed by Suzanne R. Steinbaum on June 06, 2017

SOURCES:

Go Red for Women: "Causes and Prevention of Heart Disease."

South County Health: "Heart Attack vs. Heart Failure."

National Heart, Lung, and Blood Institute: "What Is Heart Failure?" "What Is a Heart Attack?" "What Causes Heart Failure?" "What Causes a Heart Attack?" "How Is a Heart Attack Treated?" "How is Heart Failure Treated?"

Heartfailurematters.org: "What are the different types of heart failure?"

American Heart Association: "About Heart Attacks," "Causes of Heart Failure," "Warning Signs of a Heart Attack," "Heart Attack Symptoms in Women," "What Is Heart Failure?" "Treatment of a Heart Attack."

Columbia University: "Cardiomyopathy and Congestive Heart Failure."

CDC: "Heart Attack Signs and Symptoms."

 

Reviewed by Suzanne R. Steinbaum on June 06, 2017

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How does heart failure happen?

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