Why the study?
Does the configuration of the ST-T segment in lead V4R accurately predict the site of coronary artery occlusion in patients with acute inferior myocardial infarction?
Population
81 patients with acute inferior myocardial infarction admitted to the coronary care unit within 12 hours…
Comparison
Standard 12-lead ECG with right precordial lead… vs Coronary angiogram (reference standard)
Design
Cross-sectional
Authors
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V4R ST-T criteria may aid culprit-vessel localization in inferior MI; leaves open prospective validation before clinical adoption.
Does the configuration of the ST-T segment in lead V4R accurately predict the site of coronary artery occlusion in patients with acute inferior myocardial infarction?
The configuration of the ST-T segment in lead V4R is a highly sensitive, specific, and inexpensive tool to identify the specific occluded vessel in acute inferior myocardial infarction.
Alam et al. (1970) studied this question.
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