PubMed · 954077
A simple method for calculating left ventricular functions from angiographic data using a programmable hand calculator.
Abstract
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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J H Vogel, R D Swenson, V Elings. 1976. A simple method for calculating left ventricular functions from angiographic data using a programmable hand calculator.. https://doi.org/10.1002/ccd.1810020213
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