PHASE-BY-PHASE DETERMINATION OF THE STRESS-STRAIN RELATIONSHIP OF WORKING HEART MUSCLE THROUGHOUT A CARDIAC CYCLE.

Y. C. Pao, E. L. Ritman

Research output: Contribution to conferencePaperpeer-review

5 Scopus citations

Abstract

The stress-strain relationships of heart muscle in the interventricular septum, anterior free wall, lateral free wall, and posterior free wall of a working canine left ventricle were determined during two slow-filling phases of diastole, four ejection phases of systole, and one fast relaxation phase of diastole of a cardiac cycle. A plane-strain finite-element model was employed for the quantitative analysis of the stress and strain changes during these seven phases based on the true shape and dimensions of the left ventricle reconstructed at eight instants of the cardiac cycle by application of cylindrical scanning computerized tomography.

Original languageEnglish (US)
Pages11-14
Number of pages4
StatePublished - Jan 1 1978
EventAdv in Bioeng, Symp Presented at the Winter Annu Meet of ASME - San Francisco, CA, USA
Duration: Dec 10 1978Dec 15 1978

Other

OtherAdv in Bioeng, Symp Presented at the Winter Annu Meet of ASME
CitySan Francisco, CA, USA
Period12/10/7812/15/78

ASJC Scopus subject areas

  • Engineering(all)

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