Sudden death usually happens very quickly and unexpectedly. However, before the heart stops beating, the victim will have the following warning signs: chest pain, loss of consciousness, difficulty breathing, dizziness, rapid heartbeat, fainting. Personalized Custom Name Horse you are not just a horse you are my sanity poster. According to experts, we can completely prevent sudden death by regularly visiting doctors to detect heart disease. At the same time, regular exercise is also very good in reducing the risk of this syndrome. We also should not smoke, drink alcohol, eat scientifically to avoid being overweight to help ourselves in general and our heart in particular be healthy. For patients with diabetes, high blood pressure, cholesterol, and tumors, special attention should be paid to these diseases, good treatment, adequate medication.