Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Anthony Charles Hunt0
Date of Patent
December 1, 2009
0Patent Application Number
105753400
Date Filed
October 10, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus for measuring the QT interval of an electrocardiogram (ECG) signal is provided wherein the end of the T wave is identified from ECG data. The end of the T wave is defined as the first time of intersection at which an upright T wave of a first set of derived ECG signal data intersects an inverted T wave of a second set of derived ECG signal data. The intersection of the two sets of ECG data is along an isoelectric line within the trough after the positive T wave peak when the superimposed isoelectric baselines from the upright and inverted ECG signals demonstrate the best least squares fit.
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