Provides an efficient and inexpensive method for rapid analysis of ventricular volume data using a programmable hand calculator, facilitating routine use in cardiac catheterization studies.
Permits rapid LV function calculation during catheterization; extends quantitative angiography to labs without dedicated computers.
The end diastolic volume and systolic ejection fraction have gained increasing acceptance as important indicators of ventricular performance. Time consuming calculations and lack of computer facilities have hindered the emergence of these calculations as a routine part of cardiac catheterization studies. The introduction of the programmable hand calculator has provided means for rapid analysis of ventricular volume data in an efficient and inexpensive manner. In this paper the step-by-step procedure for programming the hand calculator is given, as well as instructions for entering raw data and obtaining final calculations. Programs are given for both single plane and biplane cine angiographic studies.
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Vogel et al. (1976) studied this question.
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