Silent heart attacks, which have no symptoms but still involve a loss of blood flow to the heart, make up 45% of all heart attacks and triple the chances of dying from heart disease, according to a study published Monday.
The study, published in the American Heart Association’s publication circulationfound that silent heart attacks make up nearly half of all heart attacks and increase the chance of death by all causes by 34%. The study, which examined almost 1,000 patients, also found that silent heart attacks are more common in men but more deadly in women.
Silent heart attacks are often undetected by the patient, and may not be noticed until patients have an electrocardiogram to measure their heart’s electrical activity. Read more.