Is heart attack the same as cardiac arrest?

No. Myocardial infarction is not the same as cardiac arrest.

Cardiac arrest cardiac arrest cardiac arrest, (also known as cardiopulmonary arrest or circulatory arrest), the cessation of normal circulation of the due to failure of the heart to contract effectively wikipedia.

Myocardial infarction myocardial infarction heart attack (acute myocardial infarction (AMI or MI), more commonly known as a heart attack, a medical condition that occurs when the blood supply to a part of the heart is interrupted) wikipedia.

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