Classifying heartrate by change detection and wavelet methods for emergency physicians Nourddine Azzaoui, Arnaud Guillin, Frederic Dutheil, Gil Boudet, Alain Chamoux, Christophe Perrier, Jeannot Schmidt and Pierre Raphaël Bertrand ESAIM: ProcS, 45 (2014) 48-57 Published online: 13 November 2014 DOI: 10.1051/proc/201445005