介绍到心脏病专科门诊或者是收入冠心病监护室的病人中,有10～30%并无缺血性心脏病。一些医疗中心,进行冠状动脉造影的病人结果正常者超过20%,或者只发现有轻微的病变而不能解释病人的症状。极少数病人在疼痛时有典型病史和心电图的改变,说明有冠状动脉痉挛,如用麦角新硷激发,动脉造影时可见到冠状动脉痉挛。胸痛的病人,如无明显的心脏病,可能有什么情况? 有一些病人,虽然 Introduced to the cardiology clinic or outpatient coronary care unit of patients, 10 to 30% do not have ischemic heart disease. In some centers, patients who underwent coronary angiography had more than 20% of normal results, or only slight lesions were found that could not explain the patient’s symptoms. A very small number of patients in the pain when the typical history and ECG changes, indicating coronary artery spasm, such as the use of ergometrine-induced arterial angiography can be seen when coronary spasm. Chest pain in patients, such as no obvious heart disease, what may be the situation? There are some patients, although