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long QT syndromes

 

Definition: a group of congenital and acquired diseases in which the electrocardiographic QT interval is longer than established measurements for age and sex; the presence of long QT intervals presages arrhythmias and sudden death.

See Also: QT interval

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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