The accessory papillary muscle with inferior J-waves---peculiarity or hidden danger?

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Authors

Ker, James A.
Du Toit, Lorraine

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Publisher

BioMed Central

Abstract

Originally described in 1953, today the so-called J-wave is the source of much controversy. As a marker of so-called "early repolarization", this variant has been regarded as a totally benign variant since the 1960's. However, since then a wealth of data have indicated that the J-wave may be a marker of a highly arrhythmogenic substrate with a resultant high risk of sudden cardiac death. In this case report a case of an accessory papillary muscle with a prominent J-wave is described. This may be the first of many possible cases where papillary muscle variants may be the cause of the J-wave.

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Keywords

Papillary muscle, J-waves, Hidden danger

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Citation

Ker J & Du Toit, L 2009, 'The accessory papillary muscle with inferior J-waves---peculiarity or hidden danger?', Cardiovascular Ultrasound, vol. 7, no. 50. [http://www.cardiovascularultrasound.com/]