Patterns of activation during ventricular fibrillation in open chest dogs

Peng Sheng Chen, Seth J. Worley, Raymond E. Ideker

Research output: Contribution to journalConference article

Abstract

Patterns of activation of electrically induced ventricular fibrillation (VF) were studied with computerized mapping techniques. The results showed that each of C. J. Wiggers' (1940) four stages of VF was accompanied by an electrical correlate: reentry at the stimulus site, multiple wavelets traversing large regions with similar cycle lengths, multiple wavelets confined to fixed regions with different cycle lengths, and asynchronous electrical activity becoming intermittent. A transmural gradient of activation rate was demonstrated at the third and fourth stages of VF.

Original languageEnglish (US)
Pages (from-to)86-87
Number of pages2
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume11 pt 1
StatePublished - Nov 1 1989
Externally publishedYes
EventImages of the Twenty-First Century - Proceedings of the 11th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Part 1 - Seattle, WA, USA
Duration: Nov 9 1989Nov 12 1989

ASJC Scopus subject areas

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics

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