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GW24-e1412 Clinical significance of using ST segment depression in the AVR lead to identify the culprit artery in inferior wall STEMI
  1. Zheng Wen,
  2. Abdoulwahabi Mohamed,
  3. Zhang Yu-Jiao,
  4. Sun Jian
  1. Department of Cardiology, The First Hospital of Jilin University

Abstract

Objectives To evaluate the predictive value of ST depression in lead AVR for infarcted related arteries (IRA) in inferior wall myocardial infarction (MI) patients.

Methods A diagnostic test identified 117 patients with angiographically confirmed left circumflex artery (LCX) or right coronary artery (RCA) as culprit arteries in inferior wall MI. Sensitivity (Se), specificity (Sp), Kappa value and predictive value (PV) of AVR depression predicting were calculated.

Results Compared with angiography, the Se of AVR depression was 67%, Sp was 84% and Kappa value was 0.50, as corresponding positive and negative PV were respectively 65% and 85%. There was significant difference in the cases of AVR depression, or without depression, between the two groups.

Conclusions Our study indicated the lead AVR could be evaluated as a simple and efficient approach to predict IRA for inferior wall STEMI patient, especially one single occlusion vessel, and ST depression in lead AVR is associated with LCX involvement as a culprit artery.

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