Many people do not know what the specific symptoms of coronary heart disease are, and they have no way to prevent and treat it. How to distinguish between true and false coronary heart disease, what to pay attention to, the following to explain to you! One: angina often occurs during labor, emotional excitement, etc., while non-angina often occurs at rest. The duration is short, often not more than half an hour, while the duration of non-angina occurs longer, up to several hours long. Second: patients with angina pectoris caused by coronary artery disease often feel pain in the precordial region and can involve other body parts, while patients with non-angina pectoris often show a tingling sensation, which should be distinguished from angina pectoris caused by coronary artery disease itself. Third: angina can occur in the lower and middle sternum, and sometimes patients also have symptoms of toothache, while non-angina occurs often variable, the site is not fixed and variable. Patients can take the drug to relieve the symptoms, while non-angina, containing nitroglycerin is often ineffective. Fourth: the onset of coronary heart disease often has the presence of risk factors for coronary heart disease, such as hypertension, hyperlipidemia, obesity, etc., while non-angina patients often do not have risk factors for coronary heart disease. When chest pain attacks, you should go to the hospital as soon as possible to do the relevant tests to clarify the diagnosis so as not to delay the condition.