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Common ECG Lead Placement Errors. Part II: Precordial Misplacements

Journal: International Journal of Medical Students (IJMS) (Vol.2, No. 3)

Publication Date:

Authors : ; ; ; ;

Page : 99-103

Keywords : Cardiology; Electrocardiography; Medical Errors; Precordial Lead Placement; Medical Education;

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Abstract

Background: Electrocardiography is a very useful diagnostic tool. However, errors in placement of ECG leads can create artifacts, mimic pathologies, and hinder proper ECG interpretation. This is the second of a two-part series discussing how to recognize and avoid these errors. Methods: 12-lead ECGs were recorded in a single male healthy subject in his mid 20s. Various precordial lead misplacements were compared to ECG recordings from correct lead placement. Results: Precordial misplacements caused classical changes in ECG patterns. Techniques of differentiating these ECG patterns from true pathological findings were described. Conclusion: As in Part I of this series, recognition and interpretation of common ECG placement errors is critical in providing optimal patient care.

Last modified: 2014-12-09 02:43:25