Abstract
Diagnosis of right ventricular infarction has therapeutic as well as prognostic significance. Diagnosis of right ventricular anterior wall infarction is usually missed because the right-sided chest leads are not recorded routinely. Diagnosis needs to be suspected from findings in the conventional twelve leads. Electrocardiographic findings help in deciding the site of occlusion of the right coronary artery. Electrocardiographic changes in the right-sided chest leads are influenced by concomitant left ventricular infarctions, ventricular hypertrophy, intraventricular conduction defects, preexcitation, and cardiac malpositions. All these are discussed with illustrative line diagrams and representative electrocardiograms. Analysis of the electrocardiogram also helps in differentiation of inferior infarction due to occlusion of right coronary artery from those due to occlusion of left circumflex coronary artery. Reasons of these electrocardiographic differences are discussed with diagrams and representative electrocardiograms. Summary and MCQs at the end of the chapter help in quick revision and self-assessment.
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