The Itramyocardial Stress And The Mechanics Of The Left
Ventricular Contraction
Author(s)
R.M. Shoucri
Abstract
The itramyocardial stress and the mechanics
of the left ventricular contraction
R.M. Shoucri
Department of Mathematics and Computer Science
Royal Military College of Canada
Kingston, Ontario, Canada, k7k 76.1
Abstract
A mathematical model has been developed in which the force generated by the
fibres of the myocardium is represented as forcelunit volume of the
myocardium. By using this approach, new indexes have been derived that can be
used to express the ventriculo-arterial coupling and to differentiate between
various cardiomyopathies. It has also been possible to derive a mathematical
expression for the intramyocardial stress induced in the passive medium of the
myocardium as the sum of two components, one component induced by the
intraventricular pressure and the other component induced by the forcelunit
volume of the myocardium representing the fibres force. Relations between the
intramyocardial stress and the parameters describing the end-systolic pressurevolume
relation (espvr) are pre
Keywords
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