dc.contributor.author |
Ker, James A.
|
|
dc.date.accessioned |
2010-11-12T10:00:26Z |
|
dc.date.available |
2010-11-12T10:00:26Z |
|
dc.date.issued |
2010-09 |
|
dc.description.abstract |
The U wave is still an electrocardiographic deflection of enigmatic origin. Numerous hypotheses on its origin have been
formulated, but to date none has been conclusively proven. Recently, a report described the first case of bifid (or notched) U waves. Until then this phenomenon has only been described in the T wave. This is the first report of double U waves—two separate deflections, ascribed to an accessory papillary muscle. HYPOTHESIS: The presence of a double U wave will be associated with an accessory papillary muscle (s). MATERIALS AND METHODS: This is a retrospective analysis of 4729 patient files of patients who were evaluated at a cardiology practice. The 12-lead surface electrocardiogram was evaluated for the possible presence of a double U wave. In cases where a double U wave was found, the transthoracic echocardiogram was then scrutinized for the presence of an accessory papillary muscle. RESULTS: A total of 3 cases of a double U wave were found. In every case an accessory papillary muscle was clearly seen on the transthoracic
echocardiogram. CONCLUSION: A double U wave is a new variant of an old electrocardiographic deflection of enigmatic origin. This variant may be associated with an accessory papillary muscle. |
en_US |
dc.identifier.citation |
Ker, J 2010, 'The double U wave - should the electrocardiogram be interpreted echocardiographically?', Clinical Medicine Insights: Cardiology, vol. 4, pp. 77-83. [http://www.la-press.com/] |
en_US |
dc.identifier.issn |
1179-5468 |
|
dc.identifier.uri |
http://hdl.handle.net/2263/15271 |
|
dc.language.iso |
en |
en_US |
dc.publisher |
Libertas Academica |
en_US |
dc.rights |
© the author(s), publisher and licensee Libertas Academica Ltd. This is an open access article. Unrestricted non-commercial use is permitted provided the original work is properly cited. |
en_US |
dc.subject |
U wave |
en_US |
dc.subject |
Double |
en_US |
dc.subject |
Papillary muscle |
en_US |
dc.subject.lcsh |
Electrocardiography |
en |
dc.subject.lcsh |
Echocardiography |
en |
dc.title |
The double U wave - should the electrocardiogram be interpreted echocardiographically? |
en_US |
dc.type |
Article |
en_US |