Measuring temporal complexity of ventricular fibrillation

Dejin Yu, Michael Small, Robert G. Harrison, Colin Robertson, Gareth Clegg, Michael Holzer, Fritz Sterz

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Temporal complexity of early ventricular fibrillation (VF) is re-assessed through measuring the correlation dimension D2, entropy K2 and high-dimensional component s from electrocardiogram (ECG) recordings using the Gaussian kernel algorithm. Seven representative ECG traces of induced VF among 53 pig subjects are selected for analysis. VF is found to have 80-90% low-dimensional deterministic dynamics with D2 varying around 5 and 10-20% high-dimensional extents. (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)68-75
Number of pages8
JournalPhysics Letters A
Volume265
Issue number1-2
DOIs
Publication statusPublished - 17 Jan 2000

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