Timely understanding of the symptoms of coronary heart disease is very helpful for early detection and treatment of the disease. Coronary heart disease is a common disease, the onset of many people, commonly in the middle-aged and elderly, no obvious symptoms in mild cases, in serious cases may be killed as a result, causing serious impact on patients, so it is necessary to grasp some of the early symptoms of coronary heart disease, which helps early treatment. The following is an introduction for you. Early symptoms of coronary heart disease are manifested in the following aspects: 1, some patients only show a variety of arrhythmias, shortness of breath, dyspnea at night and other symptoms, this symptom of coronary heart disease is less common clinically, but its existence should not be ignored. 2, angina pectoris is the most common symptom in patients with coronary heart disease, manifested as a feeling of pressure behind the sternum, stuffy feeling, short duration, sometimes angina pectoris can be manifested as syncope, weakness, belching, etc. 3, a few coronary heart patients in the occurrence of myocardial infarction, dizziness, limb paralysis, sudden loss of consciousness, etc. Therefore, when these symptoms occur in the elderly, corresponding examinations such as electrocardiogram should be made to exclude the possibility of myocardial infarction. 4, epigastric distension and discomfort and other gastrointestinal symptoms should also be alert to coronary heart disease, some times the pain is severe and accompanied by nausea and vomiting, often misdiagnosed as other diseases, thus delaying the early diagnosis and treatment of coronary heart disease. 5, the emergence of exercise-related headache, toothache, leg pain, etc. 6.The appearance of chest pain and palpitations when having a full meal, being cold or watching a thrilling movie needs to be alerted to coronary heart disease. 7.Patients with recurrent irregular pulse and unexplained irregular heartbeat should seek medical examination in time. In daily life, if the above-mentioned situation occurs, it may be coronary heart disease at play, must be timely examination and diagnosis and treatment. People at high risk of coronary heart disease should have regular health checkups and take appropriate protective measures. Coronary angiography is the most effective way to diagnose coronary artery disease and helps to confirm the diagnosis of coronary heart disease.