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目的：分析联合检测心肌肌钙蛋白 I（cTnI）、B 型钠尿肽（BNP）在心肌梗死中的应用价值。方法选取利群医院心肌梗死患者50例、心绞痛患者18例，普通患者50例作为对照组，对比三组患者 cTnI、BNP 两项指标。结果心肌梗死组与对照组相比，两种指标均显著升高，差异有统计学意义（P ﹤0.05）；心绞痛组与对照组相比，两种指标均显著升高，差异有统计学意义（P ﹤0.05）；心肌梗死组与心绞痛组相比，BNP 浓度显著升高，差异有统计学意义（ P ﹤0.05）。结论联合检测 cTnI、BNP 两项指标对于临床诊断心肌梗死具有积极意义，应用价值较高。“,”Objective To analyze the value of combined detection of cTnI,BNP on myocardial infarction. Methods Fifty patients with myocardial infarction(MI),18 cases of angina pectoris and 50 normal patients as control group were selected,and the cTnI and BNP between the two groups were compared. Results The two kinds of indexes were significantly increased in my-ocardial infarction group than that in control group(P ﹤ 0. 05),the two kinds of indexes significantly increased in angina pectoris group than that in control group(P ﹤ 0. 05),and BNP concentrations increased significantly in myocardial infarction group than that in angina pectoris group(P ﹤ 0. 05). Conclusion The combined detection of cTnI,BNP are positively effective for clinical diagnosis of myocardial infarction,therefore it has great application value.