Paucity of fundamental data has held back the development of stress and displacement analysis applied to the human left ventricle. Up to the present, analyses have been based on profiles dependent upon the imposition of chosen mathematical functions on single-plane radiographs. Here a process is described for a more realistic three-dimensional modelling of the geometry of the human myocardium which makes use of biplane cineangiograms. The purpose of this procedure is to provide geometric data for subsequent finite-element analysis.

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