alexa What causes a Heart Attack?

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What causes a Heart Attack?

A heart attack, also called a myocardial infarction, occurs when a section of the heart muscle dies or gets damaged because of reduced blood supply. Coronary Artery Disease (CAD) is the main cause of heart attack. A less common cause is a severe spasm of a coronary artery, which also can prevent blood supply from reaching the heart. Sudden cardiac arrest occurs when the heart stops completely. People who experience a heart attack need emergency care such as cardiopulmonary resuscitation (CPR) or electrical shock (defibrillation). The heart may still be damaged after the first attack which could affect heart's rhythm, pumping action, and blood circulation. Hence, there is a risk for another heart attack or conditions such as stroke, kidney disorders, and peripheral arterial disease. But, there are steps like cardiac rehabilitation one can take to lower chances of having future health problems.

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