exercise-induced st-segment elevation in lead avr as a predictor of lcx stenosis
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Exercise-Induced ST-Segment Elevation in Lead aVR as a Predictor of LCx Stenosis
Dear Editor, Exercise-induced ST-segment depression, although the most common accepted criterion for detecting coronary artery disease (CAD) has limited sensitivity and is unable to localize ischemic territory. Recently ST-segment elevation in lead aVR has been studied for the detection of CAD. This ECG finding is usually associated with ST-segment depression in other leads, so the question is ...
متن کاملPrevalence and Associated Clinical Characteristics of Exercise-Induced ST-Segment Elevation in Lead aVR
BACKGROUND Exercise-induced ST-segment elevation (STE) in lead aVR may be an important indicator of prognostically important coronary artery disease (CAD). However, the prevalence and associated clinical features of exercise-induced STE in lead aVR among consecutive patients referred for exercise stress electrocardiography (ExECG) is unknown. METHODS All consecutive patients receiving a Bruce...
متن کاملDiffuse ST-Segment Depression with ST-Segment Elevation in Lead aVR in 12-Lead Electrocardiography May Indicate Ischemic Change of Severe Aortic Stenosis.
UNLABELLED Diffuse ST-segment depression with ST-segment elevation in the lead augmented vector right (aVR) in 12-lead electrocardiography may indicate the possibility of coronary artery disease involving the left main coronary artery or proximal left anterior descending artery, pulmonary embolism or takotsubo cardiomyopathy. We report a 69-year-old female with severe aortic stenosis, who had s...
متن کاملExercise-induced ST-segment elevation in ECG lead aVR is a useful indicator of significant left main or ostial LAD coronary artery stenosis.
OBJECTIVES The authors tested the hypothesis that exercise treadmill testing (ETT)-induced ST-segment elevation (STE) in electrocardiographic lead aVR is an important indicator of significant left main coronary artery (LMCA) or ostial left anterior descending coronary artery (LAD) stenosis. BACKGROUND Although STE in lead aVR is an indicator of LMCA or very proximal LAD occlusion in acute cor...
متن کاملPrediction of acute left main coronary artery obstruction by 12-lead electrocardiography. ST segment elevation in lead aVR with less ST segment elevation in lead V(1).
OBJECTIVES We sought to determine the electrocardiographic (ECG) features associated with acute left main coronary artery (LMCA) obstruction. BACKGROUND Prediction of LMCA obstruction is important with regard to selecting the appropriate treatment strategy, because acute LMCA obstruction usually causes severe hemodynamic deterioration, resulting in a less favorable prognosis. METHODS We stu...
متن کاملPrognostic significance of ST segment changes in lead aVR in patients with acute inferior myocardial infarction with ST segment elevation.
BACKGROUND Patients with inferior wall ST segment elevation myocardial infarction (STEMI) are considered to be at lower risk than patients with anterior wall STEMI. Nonetheless, 30-40% of all acute inferior wall MI cases have a poor prognosis. AIM To assess the frequency of ST segment changes (elevation or depression) in lead aVR in inferior STEMI patients, and to determine the clinical cours...
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عنوان ژورنال:
iranian red crescent medical journalجلد ۱۳، شماره ۱۲، صفحات ۹۰۱-۹۰۲
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