About half of all heart attacks are mistaken for less serious problems and can increase your risk of dying from coronary artery disease.

You can have a heart attack and not even know it. A silent heart attack, known as a silent myocardial infarction (SMI), account for 45% of heart attacks and strike men more than women.

They are described as “silent” because when they occur, their symptoms lack the intensity of a classic heart attack, such as extreme chest pain and pressure; stabbing pain in the arm, neck, or jaw; sudden shortness of breath; sweating, and dizziness.

 

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Photo credit:   Tvanbr [Public domain], from Wikimedia Commons