title: [New experimental evidence of complex dynamics of heart beat. II. Correlation dimension, Lyapunov's exponents].
abstract: In this paper we applied mathematical techniques of non-linear dynamics, to an ECG signal. The first step is to compute the shift-delay time, via average displacement of the digital ECG. Phase space is constructed at a prescribed shift-delay and correlation dimension and dominant Lyapounov exponent versus the embedding dimension are monitored. This technique was applied to 5 healthy volunteers and 4 patients with VVI pacemaker.
authors.affiliation: Istituto di Cardiologia, Cattedra di Cardiologia, Seconda Università degli Studi, Napoli.
authors.forename: C
authors.initials: C
authors.lastname: Pierro
authors.forename: V
authors.initials: V
authors.lastname: Pierro
authors.forename: A
authors.initials: A
authors.lastname: Iacono
mesh_terms: D000465:Algorithms; D004562:Electrocardiography / Q000379:methods*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D017711:Nonlinear Dynamics; D010138:Pacemaker, Artificial