A simple time domain algorithm for the detection of ventricular fibrillation in electrocardiogram |
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Authors: | Muhammad Abdullah Arafat Abdul Wadud Chowdhury Md. Kamrul Hasan |
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Affiliation: | (1) Department of Anesthesia and General Intensive Care, Innsbruck Medical University, Anichstr. 35, A-6020 Innsbruck, Austria;(2) Department of Environmental Sciences, ETH-H?nggerberg, 8093 Z?rich, CH, Switzerland;(3) Research Center PPE, FH-Vorarlberg, Achstr. 1, A-6850 Dornbirn, Austria |
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Abstract: | Ventricular fibrillation (VF) is the most serious variety of arrhythmia which requires quick and accurate detection to save lives. In this paper, we propose a new time domain algorithm, called threshold crossing sample count (TCSC), which is an improved version of the threshold crossing interval (TCI) algorithm for VF detection. The algorithm is based on an important feature of the VF signal which relies on the random behavior of the electrical heart vector. By two simple operations: comparison and count, the technique calculates an effective measure which is used to separate life-threatening VF from other heart rhythms. For assessment of the performance of the algorithm, the method is applied on the complete MIT-BIH arrhythmia and CU databases, and a promising good performance is observed. Seven other classical and new VF detection algorithms, including TCI, have been simulated and comparative performance results in terms of different quality parameters are presented. The TCSC algorithm yields the highest value of the area under the receiver operating characteristic curve (AUC). The new algorithm shows strong potential to be applied in clinical applications for faster and accurate detection of VF. |
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