急性心肌梗塞(AMI)是临床较常见的急症之一,在多数患者以疼痛为首发症状。疼痛如持续时间长且含硝酸甘油片不能加以缓解,则常提示有AMI之可能。然而,临床上也有时见到少数没有典型胸痛的患者,却因其他症状就诊或体检时心电图(ECG)发现 Acute myocardial infarction (AMI) is one of the more common clinical emergency, with pain as the first symptom in most patients. As long as the pain and nitroglycerin tablets can not be alleviated, it is often suggested that the possibility of AMI. However, it is sometimes clinically seen that a small number of patients without typical chest pain, but because of other symptoms or physical examination at the time of electrocardiogram (ECG) found