We agree with Dr. Tanrıverdi that electrolyte imbalance is an important cause of QT dispersion. In our study, we monitored all patients for electrolyte imbalance, and those with an imbalance were excluded. Unfortunately, we forgot to mention this in the manuscript.
Correspondence: Ozlem Yavas, MD, Selcuk University, Selcuklu Medical Faculty, Department of Medical Oncology, Alaaddin Keykubad Campus, TR-42075, Selcuklu, Konya, Turkey, email@example.com Letter to the Editor:http://www.smw.ch/content/smw-2011-13157/
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