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Hypothermia-induced J waves

A 36 years old woman with acquired immunodeficiency syndrome was admitted to the hospital for pulmonary Mycobacterium Avis Complex infection. Seventy-two hours after the admission she became hypothermic and bradycardic. The ECG showed sinus bradycardia, J waves in leads II, III, aVF, aVR, aVL, V5 an...

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Bibliographic Details
Published in:International journal of cardiology 2007, Vol.114 (3), p.e116-e117
Main Authors: Arnaldo, Fabián J, Anatoliotakis, Nikolaos
Format: Report
Language:English
Online Access:Get full text
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Summary:A 36 years old woman with acquired immunodeficiency syndrome was admitted to the hospital for pulmonary Mycobacterium Avis Complex infection. Seventy-two hours after the admission she became hypothermic and bradycardic. The ECG showed sinus bradycardia, J waves in leads II, III, aVF, aVR, aVL, V5 and V6 along with QT prolongation and T wave abnormalities. After rewarming the J waves and repolarization abnormalities disappeared. The proposed cellular basis of hypothermia-induced J waves is the accentuation of the spike-and-dome morphology of the action potential of M and epicardial cells.
ISSN:1874-1754