Some risk factors of coronary heart disease are beyond human control. Because there are many pathogenic factors of coronary heart disease, there are many patients of all ages in all walks of life. For example, a person's risk of coronary heart disease increases with age. Genetic factors may also increase the risk of disease.<br> Other risk factors of coronary heart disease can be changed according to individual lifestyle. These variable risk factors include smoking, sedentary lifestyle obesity, diabetes, hypertension and hyperlipidemia. Chest pain, myocardial congestion, shortness of breath and abnormal pulse are some common symptoms of coronary heart disease. We can analyze and judge whether it is coronary heart disease according to these conditions, but each patient's symptoms of heart disease may be different, and similar symptoms may also indicate various other conditions. We should take more precautions.<br> The most common symptom of coronary heart disease is angina pectoris, which is a kind of pain that squeezes the chest and radiates to the neck, chin, back and left arm. In addition, it is easy to cause myocardial infarction: that is, after plaque is formed in the coronary artery, the plaque is unstable, which leads to plaque rupture, so that platelets in the blood condense, which will form thrombus, which will block the cardiovascular system and block the blood vessels, so that the blood vessels can not supply blood and oxygen to the heart normally, and the heart will be in a state of ischemia and hypoxia for a long time, which will form "myocardial infarction". We should pay attention to our personal habits and take effective preventive measures.
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