New Parameter Available in Phonocardiogram for Blood Pressure Estimation

  • Omari TaharEmail author
  • Ouacif Nadia
  • Benali Redouane
  • Dib Nabil
  • Bereksi-Reguig Fethi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10814)


Continuous and non-invasive measurement of blood pressure (BP) is of great importance. To achieve continuous and cuffless BP monitoring, pulse transit time (PTT) has been reported as a potential parameter. Nevertheless, this approach remains very sensitive, cumbersome and disagreeable for patients. This study proposes a new parameter available in phonocardiogram (PCG) to measure blood pressure. The PCG is processed and analyzed in order to measure the systolic and diastolic durations in order to study their correlation with an estimated PTT. The proposed approach evaluated on a developed data base of 37 subjects shows linear regression of two classes in distribution of diastolic duration with PTT estimated. Where, a good correlation coefficient is found for each class (class1: R = 0.87, class2: R = 0.85. This technic has significant potential to develop a new approach to measure blood pressure using PCG signal.


Blood pressure Pulse transit time PPG signal PCG signal Diastolic duration 



This research was partially supported by Boumerdes university-Algeria. We thank our colleagues from both Tlemcen university and boumerdes university who provided insight and expertise that greatly assisted the research, although they may not agree with all of the conclusions of this paper.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Biomedical EngineeringBoumerdes UniversityBoumerdesAlgeria
  2. 2.Department of Biomedical EngineeringTlemcen UniversityTlemcenAlgeria

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