Titlebook: Systolic Time Intervals; International Sympos Werner List,Joachim S. Gravenstein,David H. Spodic Conference proceedings 1980 Springer-Verla

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0173-0282 Overview: 978-3-540-09871-3978-3-642-46418-8Series ISSN 0173-0282

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International Boehringer Mannheim Symposiahttp://image.papertrans.cn/t/image/885079.jpg

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The Accuracy of the Systolic Time Intervals as a Measure of Left Ventricular Function,Progress in medicine, as in all other scientific endeavors, evolves as a recurring sequence of observations, hypotheses, and methods. So it has been for the development of the systolic time intervals (STI).

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Limitations of Systolic Time Intervals for Evaluation of Cardiac Function,Systolic time intervals (STI) are influenced by several anthropometric, hemodynamic, and pharmacologic factors which can limit the usefulness of STI for the evaluation of cardiac function in individual patients. The hemodynamic factors are largely unknown in individual patients. To appropriately use STI the following facts should be kept in mind.

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Computer Evaluation of Human Circulation Based on Noninvasive Methods,In 1964 we demonstrated the advantages of the time derivative in the evaluation of mechanographic tracings. Applications of the first and second carotid pulse derivatives were found especially useful.

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An Instrument for the On-line Determination of Systolic Time Intervals,In this chapter an instrument developed in our laboratory for the measurement and evaluation of systolic time intervals (STI) is described. STI are measured from selected signal complexes of the electrocardiogram (ECG), heart sound, and the carotid pulse wave by methods attributed to Weissler (1).