Challenges in Clinical Electrocardiography |

An Unusual Wide Complex ECG

Jeremy M. Parker, MD1; Richard L. Olstein, MD1; Stuart W. Rosenbush, MD1
[+] Author Affiliations
1Department of Internal Medicine, Section of Cardiology, Rush University Medical Center, Chicago, Illinois
JAMA Intern Med. 2013;173(18):1742-1744. doi:10.1001/jamainternmed.2013.8750.
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Section Editors: Jeffrey Tabas, MD; Paul D. Varosy, MD; Gregory M. Marcus, MD; Nora Goldschlager, MD.

Article InformationCorresponding Author: Stuart W. Rosenbush, MD, University Cardiologists, Professional Building, 1725 W Harrison St, Ste 1159, Chicago, IL 60612 (Stuart_W_Rosenbush@rush.edu).

Published Online: July 22, 2013. doi:10.1001/jamainternmed.2013.8750.

Conflict of Interest Disclosures: None reported.

Correction: Article was corrected for error in title on August 28, 2013.

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Figure 1.
Computerized Electrocardiogram (ECG) Analysis

Suspect arm lead reversal, interpretation assumes no reversal. Sinus tachycardia. Left ventricular hypertrophy with QRS widening. Anterolateral infarct. Inferior infarct. Abnormal ECG.

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Figure 2.
Electrocardiogram Following Intentional Limb Lead Reversal

Electrocardiogram performed in patient with dextrocardia following intentional limb lead reversal and placement of the precordial leads on the right chest reveals sinus tachycardia with typical left bundle branch block pattern.

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