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目的：探讨超敏肌钙蛋白I检测在急性心肌梗死早期诊断中的临床价值。方法对来自我院心内科的72例急性心肌梗死患者分别在入院1h、4h、6h、8h、12h内进行超敏肌钙蛋白I和肌钙蛋白I定量检测。结果1h时超敏肌钙蛋白阳性检出率为27.78%，肌钙蛋白阳性检出率为：9.72%；4h时超敏肌钙蛋白阳性检出率为：38.89%，肌钙蛋白阳性检出率为：18.06%；6h时超敏肌钙蛋白阳性检出率为：48.61%，肌钙蛋白阳性检出率为：27.78%；8h时超敏肌钙蛋白阳性检出率为63.89%，肌钙蛋白阳性检出率为：40.28%；12h时超敏肌钙蛋白阳性检出率为：100%，肌钙蛋白阳性检出率为：87.50%。结论进行超敏肌钙蛋白 I检测更有助于临床对急性心肌梗死的早期诊断。“,”Objective Study High-sensitive troponin I test in clinical value for early diagnosis of acute myocardial infarction. Methods 72 cases of patients with acute myocardial infarction from the department of cardiology were tested troponin I by high-sensitive troponin I regent and troponin I regent for 1 hour、4 hours、6 hours、8 hours、12 hours. Result High-sensitive troponin I positive detection rate was 27.78%, Troponin I positive detection rate was 9.72% in 1 hour; high-sensitive troponin I positive detection rate was 38.89%, Troponin I positive detection rate was 18.06 in 4 hours; High-sensitive troponin I positive diction rate was 48.61%, Troponin I positive detection rate was 27.78% in 6 hours; High-sensitive troponin I positive detection rate was 63.89%, Troponin I positive detection rate was 40.28% in 8 hours;High-sensitive troponin I positive detection rate was 100%, Troponin I positive detection rate was 87.50% in 12 hours. Conclusion High-sensitive troponin I test bet er clinical early diagnosis of acute myocardial infarction.