Identifying chaos from heart rate: The right task?

1CORIA UMR 6614, Université de Rouen, Av. de l'Université, BP 12, F-76801 Saint-Etienne du Rouvray Cedex, France
2Service de Pneumologie et Soins Intensifs, UPRES EA 3830/IFR MP23, Centre Hospitalier Universitaire de Rouen, France
 
Providing a conclusive answer to the question "is this dynamics chaotic?" remains very challenging when experimental data are investigated. We showed that such a task is actually a difficult problem in the case of heart rates. Nevertheless, an appropriate dynamical analysis can discriminate healthy subjects from patients. ©2009 American Institute of Physics 

Chaos 19, 028505 (2009)
DOI:10.1063/1.3139116
Published 30 June 2009 

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