Heart-Stopping Sex? Forget About It

During sex, the heart races, blood pressure rises and the breath quickens, sometimes to a pant. Muscles tense and euphoric feelings flood the brain. This is not a time to be thinking, "I hope my heart doesn't stop." But according to cardiologists, male patients over 50 during checkups sometimes ask what the chance is of a heart attack or sudden cardiac arrest during sexual intercourse. The concern is based on the heightened physiology experienced (racing heart, contracted muscles, etc.