1临床资料患者,男,41岁。入院前2.5 h因劳累后出现胸骨后压榨样疼痛,无放射痛及大汗、发热、寒战等症状,休息后胸痛无缓解,未服用药物。心电图检查示Ⅰ、Ⅱ及V1-6导联ST段水平压低3~6 mm,给予硝酸异山梨酯30 mg静脉滴注,阿司匹林300mg嚼服后,以“急性冠状动脉综合征”急诊入院。否认既往有高血压、糖尿病、冠心病史。 1 clinical data patients, male, 41 years old. 2.5 h before admission due to exertion after the chest compressive pain, no radiating pain and sweating, fever, chills and other symptoms, no rest after chest pain, no medication. ECG showed Ⅰ, Ⅱ and V1-6 leads ST segment level depression 3 ~ 6 mm, given isosorbide mononitrate 30 mg intravenous infusion, aspirin 300mg chewing clothes, with “acute coronary syndrome” emergency admission . Denied the previous history of hypertension, diabetes, coronary heart disease.