The phenomenon of “QT stunning”: The abnormal QT prolongation provoked by standing persists even as the heart rate returns to normal in patients with long QT syndrome

BACKGROUND: Patients with long QT syndrome (LQTS) have inadequate shortening of the QT interval in response to the sudden heart rate accelerations provoked by standing—a phenomenon of diagnostic value. We now validate our original observations in a cohort twice as large. We also describe that this a...

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Main Authors: Adler, Arnon, van der Werf, Christian, Postema, Pieter G., Rosso, Raphael, Bhuiyan, Zahir A., Kalman, Jonathan M., Vohra, Jitendra K., Guevara-Valdivia, Milton E., Marquez, Manlio F., Halkin, Amir, Benhorin, Jesaia, Antzelevitch, Charles, Wilde, Arthur A.M., Viskin, Sami
Format: Artigo
Language:Inglês
Published: 2012
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Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC3478123/
https://ncbi.nlm.nih.gov/pubmed/22300664
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.hrthm.2012.01.026
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