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QTc: how long is too long?
  1. Correspondence to Dr M J Ackerman, Long QT Syndrome Clinic and the Mayo Clinic Windland Smith Rice Sudden Death Genomics Laboratory, Mayo Clinic, Guggenheim 501, 200 First Street SW, Rochester, MN 55905, USA; ackerman.michael{at}
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Johnson JN, Ackerman MJ
QTc: how long is too long?

Publication history

  • Accepted July 6, 2009
  • First published September 4, 2009.
Online issue publication 
September 04, 2009

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