Gharib, Morteza and Shiota, Takahiro and Kang, Soon U. and McCann, Hugh and Sahn, David J. (1992) Dynamic filling characteristics of the left ventricle fulfill hydrodynamic constraints for efficient energy transfer. Journal of the American College of Cardiology, 19 (3S). 332A. ISSN 0735-1097. doi:10.1016/S0735-1097(10)80303-1. https://resolver.caltech.edu/CaltechAUTHORS:20130924-113145751
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Abstract
Maximal efficiency of cardiac filling requires that blood entering the left ventricle (LV) decelerate and mix evenly before energy is spent deforming the cardiac apex. This requires a rapid rollup of the flowing blood into vortical structures within the left ventricular body. It has been demonstrated that for pulsating jets, this maximal rollup and the most rapid deceleration will occur when a "Strouhal number" (HR x flow diameter)/(average velocity for the filing period) is between 0.25 and 0.3 under which conditions for rollup will occur maximally at a distance between 2-4 orifice diameters from the inlet.
| Item Type: | Article | ||||||
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| Additional Information: | © 1992 American College of Cardiology Foundation. Published by Elsevier Inc. | ||||||
| Group: | GALCIT | ||||||
| Issue or Number: | 3S | ||||||
| DOI: | 10.1016/S0735-1097(10)80303-1 | ||||||
| Record Number: | CaltechAUTHORS:20130924-113145751 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130924-113145751 | ||||||
| Official Citation: | Bernard J. Gersh, Raymond J. Gibbons, Abstracts of original contributions: 41st Annual Scientific Session, Journal of the American College of Cardiology, Volume 19, Issue 3, Supplement 1, 1 March 1992, Pages 18A-395A, ISSN 0735-1097, http://dx.doi.org/10.1016/S0735-1097(10)80303-1. (http://www.sciencedirect.com/science/article/pii/S0735109710803031) | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 41504 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 24 Sep 2013 19:55 | ||||||
| Last Modified: | 10 Nov 2021 04:31 |
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