Can having sex cause your heart to suddenly stop beating? A new study suggests that, although this can happen, it's very rare. In the study, researchers analyzed information from more than 4,500 people who experienced sud, a condition in which the heart abruptly stops beating due to problems with the heart's electrical activity. cardiac arrests occurred during or immediately after sexual activity, the study found. The study is the first to examine sexual activity as a potential trigger for sudden cardiac arrest among the general population, the researchers said. The findings were presented today (Nov. 12) at the American Heart Association's Scientific Sessions meeting in Anaheim, California, and are published in the Journal of the American College of Cardiology. While sudden cardiac arrest is a devastating condition with a high chance of death, the likelihood of this occurring during sexual activity … was extremely low," said Dr. Sumeet Chugh, medical dir...