冠心病人在发生心肌梗死时常会出现心绞痛。心绞痛发作时可因其表现症状不同分为典型的心绞痛和不典型的心绞痛。典型的心绞痛一般都发生在劳累、情绪激动、大量抽烟、饱餐或受寒以后,病人自觉胸骨后会突然出现压迫和紧缩的疼痛感并伴有胸闷、气急现象。这种现象一般仅1—2分钟,最多不超过15分钟。发 Coronary heart disease in patients with myocardial infarction often appear angina. Angina pectoris can be divided into the typical symptoms of angina pectoris and atypical angina pectoris. Typical angina usually occurs in the tired, agitated, heavy smoking, full meal or after the cold, the patient will suddenly appear after the sternal compression and contraction pain and accompanied by chest tightness, shortness of breath. This phenomenon is generally only 1-2 minutes, up to no more than 15 minutes. hair