Why the study?
Does body surface electrocardiographic mapping differentiate between exclusive left ventricular infarction and combined left and right ventricular infarction in patients with acute inferior myocardial infarction?
Does body surface electrocardiographic mapping differentiate between exclusive left ventricular infarction and combined left and right ventricular infarction in patients with acute inferior myocardial infarction?
The study aims to characterize body surface electrocardiographic mapping patterns to distinguish right ventricular involvement in acute inferior myocardial infarction.
Body surface mapping patterns for RV involvement in inferior MI require prospective validation; Level 4 data leaves open diagnostic differentiation from LV-only infarction.
To determine the depolarization and repolarization time-integral patterns in patients with first acute inferior myocardial infarction, we acquired body surface potential maps in 28 men and eight women, ages 36-76 years, a mean of 76 hours after the onset of symptoms. Based on technetium-99m pyrophosphate myocardial scans, patients were divided into two groups. Group 1 included 22 patients with scintigraphic activity limited to the left ventricle who were considered to have exclusive left ventricular infarction, and group 2 included 14 patients with scintigraphic activity involving the right ventricle in addition to the left ventricle, considered to have both left and right ventricular infarction.
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Montague et al. (1983) studied this question.
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