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Evaluation of an automatic threshold based detector of waveform limits in Holter ECG with the QT database

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4 Author(s)
Jane, R. ; Dept. ESAII, Univ. Politecnica de Catalunya, Barcelona, Spain ; Blasi, A. ; García, J. ; Laguna, P.

The authors evaluate a single-lead threshold based ECG wave boundaries detector with a QT database developed for validation purposes. They also identify its different sources of error distinguishing those that come from precision errors in boundary location from those that come from morphology misclassification. They obtain 71 % of records with correct morphology identification of T wave and variance in boundary location within manual referees variance. The remaining records analyzed correspond to signals with poor SNR at the T wave, or morphology discrepancies between algorithm and experts

Published in:

Computers in Cardiology 1997

Date of Conference:

7-10 Sep 1997