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A Brugada-Pattern Electrocardiogram and Adrenal Insufficiency

Yasser Khalil, MD; Sultan M. Siddique, MD; and Nghia T. Hoang, DO
[+] Article and Author Information

From Lehigh Valley Health Hospital and Health Network, Allentown, PA 18103, and Hahnemann University Hospital, Philadelphia, PA 19102.


Potential Conflicts of Interest: Dr. Siddique: Payment for lectures, including service on speakers bureaus: sanofi-aventis.


Ann Intern Med. 2010;153(12):849-851. doi:10.7326/0003-4819-153-12-201012210-00016
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Figures

Grahic Jump Location
Figure 1.
Precordial electrocardiographic lead recordings.

Top. V1 to V2 leads showing coved-type Brugada pattern. Middle. V1 to V2 leads showing saddleback-type Brugada pattern 2 h after hydration and electrolyte repletion. Bottom. V1 to V2 leads showing resolution of the Brugada pattern 24 h after hydration and electrolyte repletion.

Grahic Jump Location
Grahic Jump Location
Figure 2.
Diagram of the action potential of the epicardial cells and the endocardial cells of the right ventricle.

INa = inward sodium current; Ito = transient outward current. A. Normal pattern. B. Hyperkalemia causing a decrease in resting membrane potential leading to a Brugada-type pattern.

Grahic Jump Location

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