Heart attacks occur when a piece of plaque lining an artery wall ruptures and blocks the flow of blood to the heart. A trigger might contribute to that rupture, but the heart attack was probably inevitableunless the person was receiving preventive treatment.
For people at risk for a heart attack, stress and anger are common triggers, especially within two hours after the outburst. Stress hormones cause blood vessels to constrict and slow blood flow to the heart. Taking aspirin can mitigate this effect.
Compared with women, studies show that men are up to 19 times more likely to have a heart attack following a heavy workout than during other times of day.