Prognostic value of lead aVR in patients with a first non-ST-segment elevation acute myocardial infarction

ST-segment elevation in lead aVR has been associated with severe coronary artery lesions in patients with acute coronary syndromes, but the prognostic significance of this finding is unknown. We analyzed the initial ECG in 775 consecutive patients admitted to our center with a first acute myocardial...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 2003-08, Vol.108 (7), p.814-819
Main Authors: Barrabés, José A, Figueras, Jaume, Moure, Cristina, Cortadellas, Josefa, Soler-Soler, Jordi
Format: Article
Language:English
Subjects:
Aged
Cardiac Catheterization - statistics & numerical data
Coronary Stenosis - complications
Coronary Stenosis - diagnosis
Creatine Kinase - blood
Creatine Kinase, MB Form
Electrocardiography - methods
Female
Hospital Mortality
Humans
Isoenzymes - blood
Male
Middle Aged
Myocardial Infarction - diagnosis
Myocardial Infarction - etiology
Myocardial Infarction - mortality
Predictive Value of Tests
Prognosis
Risk Factors
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Summary:ST-segment elevation in lead aVR has been associated with severe coronary artery lesions in patients with acute coronary syndromes, but the prognostic significance of this finding is unknown. We analyzed the initial ECG in 775 consecutive patients admitted to our center with a first acute myocardial infarction without ST-segment elevation in leads other than aVR or V1. The rates of in-hospital death in patients without (n=525) and with 0.05 to 0.1 mV (n=116) or > or =0.1 mV (n=134) of ST-segment elevation in lead aVR were 1.3%, 8.6%, and 19.4%, respectively (P
ISSN:0009-7322
1524-4539
DOI:10.1161/01.CIR.0000084553.92734.83