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Arrhythmia Discrimination in Implantable Cardioverter Defibrillators Using Support Vector Machines Applied to a New Representation of Electrograms

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5 Author(s)
Milpied, P. ; Dept. of Adv. Clinical Res., Sorin CRM, Clamart, France ; Dubois, R. ; Roussel, P. ; Henry, C.
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Arrhythmia classification remains a major challenge for appropriate therapy delivery in implantable cardioverter defibrillators (ICDs). The purpose of this paper is to present a new algorithm for arrhythmia discrimination based on a statistical classification by support vector machines of a novel 2-D representation of electrograms (EGMs) named spatial projection of tachycardia (SPOT) EGMs. SPOT-based discrimination algorithm provided sensitivity and specificity of 98.8% and 91.3%, respectively, on a test database. A simplified version of the algorithm is also presented, which can be directly implemented in the ICD.

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Biomedical Engineering, IEEE Transactions on  (Volume:58 ,  Issue: 6 )