Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something.

Poelzing says while the heart naturally ages well, if there’s any existing damage to the heart like a mild heart attack, the shock can make the heart more tired.

Cardiovascular diseases claimed 17.9 million lives in 2019, with heart attacks and strokes accounting for 85%. Recognizing early warning signs like chest discomfort, unusual fatigue, shortness of ...

While often confused, they are two distinct conditions. According to the American Heart Association, cardiac arrest is an electrical problem, while a heart attack is a circulation problem.