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| Prediction Effect of Electrocardiogram（ECG） on the Front Wall ST Segment Elevation Myocardial Infarction Patients with Multivessel Coronary Artery Lesions |
| The People’s Hospital of Chaozhou，Chaozhou 521000，China |
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Abstract Objective：To study the prediction effect of ECG in patients of anterior wall myocardial infarction with ST segment elevation and multivessel coronary artery disease.Method：88 patients with acute myocardial infarction were treated in our hospital from September 2013 to December 2014，according to artery imaging data and ECG before admission，the patients were divided into observation group and control group， the observation group of 48 cases with multi vessel coronary artery disease， while the control group of 40 cases with a single vessel lesion. The ECG and coronary artery imaging data of two groups before admission were analyzed，the effect of prediction on electrocardiogram in patients with anterior wall myocardial infarction with ST segment elevation and multivessel coronary artery disease were observed. Result：In ST segment elevation of two groups，aVL lead a total of 22 cases，the observation group of 13 cases， control group of 9 cases； V6 lead a total of 38 cases， 27 cases in the observation group， 11 cases in the control group，compared the ECG of aVL lead and V6 lead， the differences were statistically significance（P<0.05）. In the observation group，compared the degree of ST segment elevation and multiple coronary artery lesions，patients were mainly left anterior descending branch，the difference was no statistically significant（P>0.05）.Compared three lesions of ST segment elevation in 0.05-0.1 mV and ST segment elevation>0.1 mV， the difference was statistically significant（P<0.05）.The sensitivity，accuracy， and negative predictive value of ST elevation level>0.1 mV were better than the elevation of 0.05-0.1 mV， specificity was similar，the ST elevation level>0.1 mV of lower negative predictive value and higher positive predictive value. Conclusion： Electrocardiogram（ ECG） on the front wall ST segment elevation myocardial infarction patients with multivessel coronary artery lesions has high positive predictive value， multivessel coronary artery disease is closely related to the degree of anterior wall ST segment elevation.
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