Right ventricular involvement occurs in approximately one-third of patients with inferior wall myocardial infarction and is associated with a high risk of 3rd degree AV block and in-hospital mortality.
RV infarct in inferior MI may guide acute monitoring; this Level 5 series leaves open contemporary outcome validation.
Objectives: To determine the frequency and outcome of right ventricular infarct inpatients with inferior wall myocardial infarction during hospital stay. Study Design: Descriptivecase series. Place and duration of study: The study was carried out in cardiology department ofBahawal Victoria Hospital Bahawalpur from 13th January 2013 to 12th July 2014. Methodology:A total of 145 patients of inferior wall myocardial infarction were enrolled. Right sided ECG wasrecorded to detect RV infarction in V4R lead. Patients with RV infarction were followed for highdegree AV block and in hospital mortality till discharge. Results: A total of 145 patients wereincluded in the study. Mean age of patients was 53.54 11.3 years. Out of 145 patients, 84(57.93%) were male and 61 (42.07%) were female. Out of 145 patients, 51(35.17%) patientshad right ventricular infarct. In 51 patients with right ventricular infarct, 5 (9.8%) patients expiredwhile 20 (39.2%) had 3rd degree AV blocks. Conclusion: Patients with inferior myocardialinfarction who also have right ventricular myocardial involvement are at increased risk of deathand 3rd degree (complete) AV block.
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Siddiquei et al. (2016) studied this question.
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