Search for: [Abstract = "s ST segment changes in lead aVR were not observed. In patients with ST segment elevation, ST depression and without ST changes the mortality rate was \: 27.7%, 16.5% and 1.0%, p<0.001, respectively. The infarct related artery \(IRS\) was RCA in 113 \(84.3%\) patients and Cx in 18 \(15.7%\) patients. In the multivariate analysis the predictors of ST segment elevation in lead aVR were \: sex \(female\), diabetes, hypertension, lower ejection fraction \(EF%\), cardiogenic shock on admission. Conclusion. ST segment changes in lead aVR in inferior STEMI are frequent and present in about 50% of the patients. The presence of ST segment changes \(ST elevation and ST depression\) in lead aVR is associated with a poor prognosis and it is independent of the type of the treatment strategy. These changes predict a poorer long\-term prognosis in the 12\- month follow\-up. The presence and character of ST segment changes in lead aVR are not useful in identifying the IRA and the site of its occlusion. Patients with inferior STEMI with ST segment changes in lead aVR should be considered as a high risk group and the invasive treatment should be the method of choice in these patients."]

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