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Significance of three electrocardiographic indexes in predicting the myocardial infarct-related artery in inferior wall of acute myocardial infarction / 中国介入心脏病学杂志
Chinese Journal of Interventional Cardiology ; (4)1993.
Article in Chinese | WPRIM | ID: wpr-582613
ABSTRACT
Objective To investigate the significance of three electrocardiographic indexes in predicting the myocardial infarct related artery (IRA) in inferior wall of acute myocardial infarction (IAMI) Methods One hundred and twenty patients with IAMI were studied Results (1) IRA was related to right coronary artery (RCA) in 98 (81 7%) case, left circumflex branch (LCX) in 22 (18 3%) cases (2) ST segment depression in lead Ⅰ identified RCA occlusion with a sensitivity of 77 6%, specificity of 90 9% in patient with IAMI, but isoelectric or elevated ST segment in lead Ⅰ identified LCX occlusion with a sensitivity of 90 9%, specificity of 77 6% (3) About QRS wave of lead aVL, S/R≥1/3 identified RCA occlusion with a higher sensitivity of 93 9% and a lower specificity of 63 6% (4) When IRA was RCA, ST segment elevated amplitude Ⅲ≥Ⅱ identified as a diagnostic index no matter the location of occlusion Conclusion Three electrocardiographic indexes have significant value in predicting the infarct related artery in inferior wall acute myocardial infarction

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Interventional Cardiology Year: 1993 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Interventional Cardiology Year: 1993 Type: Article