Letters

QTc dispersion and vulnerability to ventricular fibrillation

BMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7064.1082 (Published 26 October 1996) Cite this as: BMJ 1996;313:1082
  1. Agha W Haider, Research fellow,
  2. Saba Naz, Clinical assistant
  1. Boston University Medical Center, Framingham, MA 01701, USA
  2. Cardiology and Pathology Department, Royal Postgraduate Medical School, Hammersmith Hospital, London W12 0NN

    EDITOR,—Dawood Darbar and colleagues report that QTc dispersion has a high degree of sensitivity and specificity for predicting cardiac death in patients with peripheral vascular disease.1 In the accompanying commentary R Campbell expresses concern that, although it is an extremely useful non-invasive marker to identify patients at increased risk of cardiac death, protective strategies are extremely limited.1

    Ischaemic preconditioning is one of the most powerful protective mechanisms in human myocardium. …

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