Article
Notched T waves on Holter recordings enhance detection of patients with LQt2 (HERG) mutations.
Circulation - 27 Feb 2001
Lupoglazoff J M, Denjoy I, Berthet M, Neyroud N, Demay L, Richard P, Hainque B, Vaksmann G, Klug D, Leenhardt A, Maillard G, Coumel P, Guicheney P
Abstract excerpt
BACKGROUND: The 2 genes KCNQ1 (LQT1) and HERG (LQT2), encoding cardiac potassium channels, are the most common cause of the dominant long-QT syndrome (LQTS). In addition to QT-interval prolongation, notched T waves have been proposed as a phenotypic marker of LQTS patients. METHODS AND RESULTS: The T-wave morphology of carriers of mutations in KCNQ1 (n=133) or HERG (n=57) and of 100 control subjects was analyzed...
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