• Angiology · Oct 2008

    Case Reports

    Anterior ST-segment elevation with right coronary artery occlusion: a unique case of isolated right ventricular infarction.

    • Kamran I Muhammad and Samir R Kapadia.
    • Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, Ohio 44195, USA. muhammk@ccf.org
    • Angiology. 2008 Oct 1;59(5):622-4.

    AbstractAnterior ST-segment elevation is the classic electrocardiographic feature of anterior left ventricular myocardial infarction due to occlusion of the left anterior descending artery. However, anterior ST-segment elevation has also been described in patients with right coronary artery occlusion, in whom concomitant inferior ST-segment elevation is also typically present. A case of proximal right coronary artery occlusion resulting in anterior ST-segment elevation without inferior ST-segment elevation is reported in this article. It is hypothesized that the inferior left ventricular wall was protected by left-to-right collaterals, as seen on coronary angiography, with resultant isolated right ventricular infarction upon proximal right coronary artery occlusion. In conclusion, this report presents a unique case of an isolated right ventricular infarction resulting in an electrocardiographic pattern mimicking anterior-wall left ventricular infarction.

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