Why the study?
Can indices derived from aortic flow velocity accurately discriminate between different levels of left ventricular function in patients undergoing cardiac catheterization?
Can indices derived from aortic flow velocity accurately discriminate between different levels of left ventricular function in patients undergoing cardiac catheterization?
While simple aortic peak velocity and maximal acceleration do not adequately discriminate left ventricular function, a derived index of stroke volume divided by maximal acceleration offers better discrimination.
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SV/max accel may aid noninvasive LV discrimination; hypothesis-generating and requires prospective validation before practice change.
Kolettis et al. (1976) studied this question.
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