TY - JOUR T1 - Prolonged QRS and QTc interval and mortality JF - Heart JO - Heart SP - 508 LP - 509 VL - 94 IS - 4 AU - F Grigioni AU - G Piovaccari AU - G Boriani Y1 - 2008/04/01 UR - http://heart.bmj.com/content/94/4/508.3.abstract N2 - 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 … ER -