Relation of increased short-term variability of QT interval to congenital long-QT syndrome.

doi:10.1016/j.amjcard.2009.01.011

Article

Relation of increased short-term variability of QT interval to congenital long-QT syndrome.

The American journal of cardiology - 1 May 2009

Hinterseer Martin, Beckmann Britt-Maria, Thomsen Morten B, Pfeufer Arne, Dalla Pozza Robert, Loeff Markus, Netz Heinrich, Steinbeck Gerhard, Vos Marc A, Kääb Stefan

Abstract excerpt

Apart from clinical symptoms the diagnosis and risk stratification in long-QT syndrome (LQTS) is usually based on the surface electrocardiogram. Studies have indicated that not only prolongation of the QT interval but also an increased short-term variability of QT interval (STV(QT)) is a marker for a decreased repolarization reserve in patients with drug-induced LQTS. The aims of this study were to determine if...

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Relation of increased short-term variability of QT interval to congenital long-QT syndrome.

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