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Dolasetron and QT interval
  1. C Page,
  2. G Isbister
  1. Department of Clinical Toxicology and Pharmacology, Mater Hospital, Newcastle, New South Wales, Australia
  1. Dr C Page, Department of Clinical Toxicology and Pharmacology, Mater Hospital, Newcastle, New South Wales, Australia; cpage{at}bigpond.net.au

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We read with interest the case report by Rochford et al.1 However, we are concerned that the title associates dolasetron overdose with a prolonged QTc despite ECG and clinical features that are more consistent with sodium channel blockade and QRS widening.

The ECG presented in the figure shows the characteristic features of sodium channel blockade with a markedly widened QRS complex and a …

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