Three-dimensional modeling and flow patterns determination in the left ventricle using computational fluid dynamics

Tad W. Taylor, Takami Yamaguchi

Research output: Contribution to journalConference articlepeer-review

Abstract

A realistic model of the left ventricle of the heart was constructed using a cast from a dog heart. The purpose of this investigation was to determine the blood flow in the left ventricle in both systole and diastole and to understand what the effect of a previous cardiac cycle was on the next cardiac cycle. Runs done with an ejection fraction of 60% showed little variation from one cardiac cycle to another after the third cardiac cycle was completed; the maximum velocity could vary by over 30% between the first and second cardiac cycles. In systole, centerline and cross-sectional velocity vectors greatly increased in magnitude at the aortic outlet, and most of the pressure drop occurred in the top 15% of the heart. The diastolic phase showed complex vortex formation not seen in the systolic contractions.

Original languageEnglish
Pages (from-to)87-88
Number of pages2
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume16
Issue numberpt 1
Publication statusPublished - 1994 Dec 1
EventProceedings of the 16th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Part 1 (of 2) - Baltimore, MD, USA
Duration: 1994 Nov 31994 Nov 6

ASJC Scopus subject areas

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

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