People can also help prevent heart disease by losing excess weight, regular exercise, eating a low cholesterol diet, and taking medications to reduce cholesterol if prescribed. It's also important to maintain a healthy blood pressure, control diabetes, and avoid excessive alcohol consumption. Talk to your physician about taking aspirin if you have major risk factors for heart disease. Get regular checkups, and if you have a family history of heart disease, it's especially important that you maintain a health lifestyle. A. Call for an ambulance immediately.
Time is crucial.
Stop all physical activity. Lie down, loosen clothing around your chest, and remain calm until the ambulance arrives. If possible have someone stay with you until the ambulance arrives. Do not delay seeking help even if the person objects. Loosen the clothing, and keep the person calm and quiet as possible.