Key result
Reversal of ECG limb leads produces classic recognizable patterns that can mimic pathologies such as ectopic atrial rhythm, dextrocardia, or myocardial infarction.
Why the study?
Does intentional misplacement of ECG limb leads alter ECG morphology compared to correct placement in a healthy subject?
Does intentional misplacement of ECG limb leads alter ECG morphology compared to correct placement in a healthy subject?
Recognition of common ECG limb lead reversal patterns is critical to avoid misdiagnosis of conditions like ectopic atrial rhythm, dextrocardia, or myocardial infarction.
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Recognition of limb lead reversal patterns may prevent misdiagnosis; case report leaves open systematic validation.
Rosen et al. (2014) studied Healthy (ECG lead placement errors) (n=1). Limb lead reversals vs. Correct lead placement was evaluated on ECG pattern changes. Reversal of ECG limb leads produces classic recognizable patterns that can mimic pathologies such as ectopic atrial rhythm, dextrocardia, or myocardial infarction.
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