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2010•Chinese Journal of Health Care and MedicineRequires access

Evaluation of ST-segment depression in aVR as a predictor of left circumflex occlusion in patients with acute inferior wall ST-segment elevation myocardial infarction

Yang Ting-shu

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Abstract

Objective To study if ST-segment depression in aVR in patients with acute inferior wall infarction can predict occlusion in right coronary artery(RCA)or left circumflex(LCX). Methods Two hundreds and twelve consecutive patients with inferior wall STEMI underwent urgent coronary angiography. Clinical and angiographic findings were compared between patients with and without aVR depression≥0.1 mV. Results The sensitivity and specificity of aVR ST-segment depression as a predictor of LCX occlusion were 55% and 86%, while the forecast sensitivity and specificity of RCA was only 14% and 45%. Conclusions ST-segment depression in aVR in patients with acute inferior wall STEMI might predict LCX occlusion.

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What this paper is about

Objective To study if ST-segment depression in aVR in patients with acute inferior wall infarction can predict occlusion in right coronary artery(RCA)or left circumflex(LCX). Methods Two hundreds and twelve consecutive patients with inferior wall STEMI underwent urgent coronary angiography. Clinical and angiographic findings were compared between patients with and without aVR depression≥0.1 mV. Results The sensitivity and specificity of aVR ST-segment depression as a predictor of LCX occlusion were 55% and 86%, while the forecast sensitivity and specificity of RCA was only 14% and 45%. Conclusions ST-segment depression in aVR in patients with acute inferior wall STEMI might predict LCX occlusion.

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Available abstract

Objective To study if ST-segment depression in aVR in patients with acute inferior wall infarction can predict occlusion in right coronary artery(RCA)or left circumflex(LCX). Methods Two hundreds and twelve consecutive patients with inferior wall STEMI underwent urgent coronary angiography. Clinical and angiographic findings were compared between patients with and without aVR depression≥0.1 mV. Results The sensitivity and specificity of aVR ST-segment depression as a predictor of LCX occlusion were 55% and 86%, while the forecast sensitivity and specificity of RCA was only 14% and 45%. Conclusions ST-segment depression in aVR in patients with acute inferior wall STEMI might predict LCX occlusion.

Key concepts: Medicine, Cardiology, Occlusion, Internal medicine, Circumflex, Depression (economics), Myocardial infarction, Right coronary artery

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Evaluation of ST-segment depression in aVR as a predictor of left circumflex occlusion in patients with acute inferior wall ST-segment elevation myocardial infarction — Research Paper | ScholarLens