QT variability strongly predicts sudden cardiac death in asymptomatic subjects with mild or moderate left ventricular systolic dysfunction: a prospective study.

@article{Piccirillo2007QTVS,
  title={QT variability strongly predicts sudden cardiac death in asymptomatic subjects with mild or moderate left ventricular systolic dysfunction: a prospective study.},
  author={Gianfranco Piccirillo and Damiano Magr{\'i} and Sabrina Matera and Marzia Magnanti and Alessia Torrini and Eleonora Pasquazzi and Erika Schifano and Stefania Velitti and Vincenzo Marigliano and Raffaele Quaglione and Francesco Barill{\`a}},
  journal={European heart journal},
  year={2007},
  volume={28 11},
  pages={1344-50}
}
AIMS The most widely accepted marker for stratifying the risk of sudden cardiac death (SCD) in post myocardial infarction patients is a depressed left ventricular function. Left ventricular ejection fractions (EF) of 35% or less increase the risk of sudden death but values between 35 and 40% raise concern. The underlying pathophysiological mechanism is sustained ventricular tachycardia or fibrillation, both associated with increased cardiac repolarization variability. We assessed whether the… CONTINUE READING
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