USE OF SYSTOLIC TIME INTERVAL IN ASSESSMENT CARDIAC CONTRACTION FUNCTION IN NOMAL SUBJECTS

Abstract

Abstract: Systolic time intervals(SIT) after 3 min. exercise were compared among three kinds of subjects with different cardiac contraction function. The results showed that the isovolumetric contraction period(IC), ejection index (LVET/R-R) and mechanical contraction index (MT/R-R) are useful indices for assessment of cardiac function. According to the three indices the selecting standard of astronauts was established and it's experimental evidence and application were discussed

Key words: Heart function test, Motor reaction, Space medicine, Analyzing.

Shen Xianyun, Yan Xiaoxia et al (Institute of Aerospace Medico-Engineering, Beijing). USE OF SYSTOLIC TIME INTERVAL IN ASSESSMENT CARDIAC CONTRACTION FUNCTION IN NOMAL SUBJECTS[J]. Chinese Space Science and Technology.

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USE OF SYSTOLIC TIME INTERVAL IN ASSESSMENT CARDIAC CONTRACTION FUNCTION IN NOMAL SUBJECTS

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