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Quantification of Cardiac Jets:
Author(s) -
GRIMES RANDALL Y.,
BURLESON ARMELLE,
LEVINE ROBERT A.,
YOGANATHAN AJIT P.
Publication year - 1994
Publication title -
echocardiography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 62
eISSN - 1540-8175
pISSN - 0742-2822
DOI - 10.1111/j.1540-8175.1994.tb01077.x
Subject(s) - jet (fluid) , flow (mathematics) , mechanics , blood flow , physics , medicine , cardiology
Jet flows are consequences of many cardiac lesions. With the advent of color Doppler flow mapping, these jet flows can be visualized noninvasively. Currently, an intense effort is underway to quantify cardiac jet flows as a means to assess the severity of jet forming lesions. Two techniques, PISA and jet centerline decay, have been suggested as methods to quantify jet flow volume. Although both techniques are theoretically sound, both formulations are based on ideal flow conditions that may not be completely realized in cardiac chambers. Thus, the complex dynamics of cardiac jet flows must be considered as they may diminish the accuracy of flow rate calculations. However, realistic in vitro experiments that mimic the impact of cardiac flow conditions on converging flows and jets, combined with carefully controlled in vivo testing ofbothPISA and centerline techniques, may eventually produce clinically useful quantification formulations. (ECHOCARDIOGRAPHY, Volume 11, May 1994)