Half Of Heart Attacks Have No Symptoms – Study

But they're still deadly

They often go undetected, with no symptoms at all. A report in the American Heart Association journal Circulation says silent heart attacks make up 45 per cent of all heart attacks. They can also triple the chances of dying from heart disease because patients may not receive the treatment they need to prevent another attack. Thes tudy also found while these silent attacks are more common in men, they are more deadly in women.