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Can you have had a heart attack and not know it?

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you have a history of heart disease in your family These factors put you at risk for plaque buildup, called atherosclerosis, and eventually a heart attack. Once that plaque builds up, it can rupture and completely block the artery, cutting off the blood supply to your heart. read more

A heart attack does not always have obvious symptoms, such as pain in your chest, shortness of breath and cold sweats. In fact, a heart attack can actually happen without a person knowing it. It is called a silent heart attack, or medically referred to as silent ischemia (lack of oxygen) to the heart muscle. read more

Yes, it is possible that you had a heart attack. Undiagnosed heart attacks happen frequently and can be serious. Some studies suggest that up to 25% of all Myocardial Infarctions (Heart Attacks) are of the "Silent Type" where the heart is damaged by a lack of oxygen. Women are especially prone to "silent heart attacks". read more

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