ECHOCARDIOGRAPHIC WALL MOTION ABNORMALITY IN POSTERIOR MYOCARDIAL INFARCTION: THE DIAGNOSTIC VALUE OF POSTERIOR LEADS

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MOHAMMADZADEH ROBABEH; KAMAL HEDAYAT D.; MOHAGHEGHI ABAS; TABATABAEI S.A.A.H.; DAREH ZERESHKI A.

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Journal: Tehran University Medical Journal Year:2008 | Volume:66 | Issue:3 Page(s): 176-181

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Title

ECHOCARDIOGRAPHIC WALL MOTION ABNORMALITY IN POSTERIOR MYOCARDIAL INFARCTION: THE DIAGNOSTIC VALUE OF POSTERIOR LEADS

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Keywords

MYOCARDIAL INFARCTIONQ3

POSTERIORQ3

ABNORMALITYQ3

SEGMENTQ3

ECHOCARDIOGRAPHYQ3

Abstract

Background: For the purpose of ascertaining MYOCARDIAL INFARCTION (MI) and ischemia, the sensitivity of the initial 12-lead ECG is inadequate. It is risky to diagnose POSTERIOR MI using only precordial reciprocal changes, since the other leads may be more optimally positioned for the identification of electrocardiographic changes. In this study, we evaluated the relationship between electrocardiography changes and wall motion abnormalities in patients with POSTERIOR MI for earlier and better diagnosis of POSTERIOR MI.Methods: In this prospective cross-sectional study, we enrolled patients with POSTERIOR MI who had come to the Emergency Department of Shariati Hospital with their first episode of chest pain. A 12-lead surface electrocardiogram using POSTERIOR leads (V7-V9) was performed for all participants. Patients with ST elevation >0.05 mV or pathologic Q wave in the POSTERIOR leads, as well as those with specific changes indicating POSTERIOR MI in V1-V2, were evaluated by ECHOCARDIOGRAPHY in terms of wall motion abnormalities. All data were analyzed using SPSS and p<0.05 were considered statistically significant.Results: Of a total 79 patients enrolled, 48 (60.8%) were men, and the mean age was 57.35±8.22 years. Smoking (54.4%) and diabetes (48%) were the most prevalent risk factors. In the echocardiographic evaluation, all patients had wall motion abnormalities in the left ventricle and 19 patients (24.1%) had wall motion abnormalities in the right ventricle. The most frequent SEGMENT with motion ABNORMALITY among the all patients was the mid-posterior. The POSTERIOR leads showed better positive predictive value than the anterior leads for POSTERIOR wall motion ABNORMALITY.Conclusion: Electrocardiography of the POSTERIOR leads in patients with acute chest pain can help in earlier diagnosis and in time treatment of POSTERIOR MI.

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APA: Copy

MOHAMMADZADEH, ROBABEH, KAMAL HEDAYAT, D., MOHAGHEGHI, ABAS, TABATABAEI, S.A.A.H., & DAREH ZERESHKI, A.. (2008). ECHOCARDIOGRAPHIC WALL MOTION ABNORMALITY IN POSTERIOR MYOCARDIAL INFARCTION: THE DIAGNOSTIC VALUE OF POSTERIOR LEADS. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 66(3), 176-181. SID. https://sid.ir/paper/39154/en

Vancouver: Copy

MOHAMMADZADEH ROBABEH, KAMAL HEDAYAT D., MOHAGHEGHI ABAS, TABATABAEI S.A.A.H., DAREH ZERESHKI A.. ECHOCARDIOGRAPHIC WALL MOTION ABNORMALITY IN POSTERIOR MYOCARDIAL INFARCTION: THE DIAGNOSTIC VALUE OF POSTERIOR LEADS. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2008;66(3):176-181. Available from: https://sid.ir/paper/39154/en

IEEE: Copy

ROBABEH MOHAMMADZADEH, D. KAMAL HEDAYAT, ABAS MOHAGHEGHI, S.A.A.H. TABATABAEI, and A. DAREH ZERESHKI, “ECHOCARDIOGRAPHIC WALL MOTION ABNORMALITY IN POSTERIOR MYOCARDIAL INFARCTION: THE DIAGNOSTIC VALUE OF POSTERIOR LEADS,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 66, no. 3, pp. 176–181, 2008, [Online]. Available: https://sid.ir/paper/39154/en

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