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Fully automated computer measurement of QT interval from the 12-lead electrocardiogram

Lookup NU author(s): Dr Philip Langley, Dr Fiona Smith, Dr Dingchang Zheng, Abigail Haigh, Emeritus Professor Alan MurrayORCiD


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The aim was to develop a fully automatic QT interval measurement algorithm for the 2006 PhysioNet/Computers in Cardiology Challenge. The algorithm determined the Q onset and T offset points from the average beat in each lead. The QT interval measurement was calculated from the median Q onset and T offset points. Manual measurements were also made. The mean (sd) difference between automatic and reference measurements was -49 (38) ms and between manual and reference measurements was -6 (48) ms.

Publication metadata

Author(s): Langley P, Smith FE, King ST, Zheng D, Haigh AJ, Murray A

Editor(s): Murray, A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 33rd Conference on Computers in Cardiology

Year of Conference: 2006

Pages: 345-348

ISSN: 0276−6547

Publisher: IEEE


Library holdings: Search Newcastle University Library for this item

ISBN: 9781424425327