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Prolonged QRS and QTc interval and mortality
  1. F Grigioni,
  2. G Piovaccari,
  3. G Boriani
  1. Institute of Cardiology, University of Bologna, Italy
  1. Dr F Grigioni, Institute of Cardiology, University of Bologna, via Massarenti, 9 Bologna, 40138 Italy; francesco.grigioni{at}

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To the editor: Breidthardt et al1 found that patients with acute decompensated heart failure (HF) presenting to their emergency department with prolonged QRS interval (⩾120 ms) showed higher long-term mortality.

This is a pathophysiologically plausible finding: after initially representing a marker of diseased myocardium, prolonged QRS may itself subsequently contribute to disease progression.2 Nevertheless, we cannot totally agree with the clinical implication the authors make …

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