Why the study?
Does the positioning of bipolar chest leads affect the occurrence of orthostatic ST-T changes simulating myocardial ischemia during radioelectrocardiography in healthy subjects?
Population
676 healthy subjects between 5 and 77 years of age
Design
Cross-sectional
Authors
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Highlights risk of postural artifacts mimicking ischemia; leaves open whether bipolar lead positioning reduces false positives in radioelectrocardiography.
Does the positioning of bipolar chest leads affect the occurrence of orthostatic ST-T changes simulating myocardial ischemia during radioelectrocardiography in healthy subjects?
Proper positioning of bipolar chest leads is crucial during radioelectrocardiography to eliminate postural ST-T changes and prevent the overdiagnosis of coronary artery disease.
Lachman et al. (1965) studied this question.
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