高频心电图联合运动负荷心电图在隐匿性冠心病诊断中的应用

doi:10.3969/j.issn.1001-8131.2022.05.016

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Abstract Objective To explore the application effect of high frequency electrocardiogram combined with exercise stress electrocardiogram in the diagnosis of occult coronary heart disease（SMI）. Methods A total of 70 patients with suspected SMI were prospectively selected.They were examined by high-frequency ECG,exercise stress ECG,and coronary angiography（CAG）.The results of CAG were taken as the gold standard to analyze the accuracy,sensitivity,specificity and safety of high-frequency ECG,exercise stress ECG and their combination in the diagnosis of SMI Negative predictive value（NPV）,positive predictive value（PPV）. Results CAG examination showed that 58 out of 70 suspected SMI patients were diagnosed as SMI,accounting for 82.86%;The accuracy and sensitivity of high frequency ECG combined with exercise stress ECG in the diagnosis of SMI were higher than that of single examination,and the difference was statistically significant（P<0.05）;There was no significant difference in specificity,NPV and PPV between high frequency ECG and exercise stress ECG in the diagnosis of SMI（P>0.05）. Conclusion High frequency ECG combined with exercise stress ECG can improve the diagnostic efficiency of SMI and provide effective basis for the early treatment of SMI.

Key words： Occult coronary heart disease High frequency ECG Exercise load ECG Diagnosis

Received: 15 July 2021

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R541.4

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	Du Juan

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Du Juan. Application of High Frequency Electrocardiogram Combined With Exercise Stress Electrocardiogram in the Diagnosis of Occult Coronary Heart Disease[J]. journal1, 2022, 42(5): 39-41.

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http://www.hrbyybjb.org.cn/EN/10.3969/j.issn.1001-8131.2022.05.016 OR http://www.hrbyybjb.org.cn/EN/Y2022/V42/I5/39

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