Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học đề tài :Exploiting periodicity to extract the atrial activity in atrial arrhythmias | EURASIP Journal on Advances in Signal Processing SpringerOpen0 This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text HTML versions will be made available soon. Exploiting periodicity to extract the atrial activity in atrial arrhythmias EURASIP Journal on Advances in Signal Processing 2011 2011 134 doi 1687-6180-2011-134 Raul Llinares rllinares@ Jorge Igual jigual@ ISSN 1687-6180 Article type Research Submission date 4 April 2011 Acceptance date 13 December 2011 Publication date 13 December 2011 Article URL http content 2011 1 134 This peer-reviewed article was published immediately upon acceptance. It can be downloaded printed and distributed freely for any purposes see copyright notice below . For information about publishing your research in EURASIP Journal on Advances in Signal Processing go to http authors instructions For information about other SpringerOpen publications go to http 2011 Llinares and Igual licensee Springer. This is an open access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. EURASIP Journal on Advances in Signal Processing manuscript No. will be inserted by the editor Exploiting periodicity to extract the atrial activity in atrial arrhythmias Raul Llinares and Jorge Igual Departamento de Comunicaciones Universidad Politecnica de Valencia Camino de Vera s n 46022 Valencia Spain Corresponding author rllinares@ Email address JI jigual@ Abstract Atrial fibrillation disorders are one of the main arrhythmias of the elderly. The atrial and ventricular activities are decoupled during an atrial fibrillation episode and very rapid and irregular waves replace the usual atrial P-wave .