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目的 探讨体位对 Valsalva动作所反映的心血管系统整合调节功能的影响。 方法 10名成年受试者 ,分别在- 15°头低位倾斜、仰卧位和 + 75°头高位倾斜 3种体位下 ,每次进行 30 mm Hg/ 30 s的 Valsalva试验共 3次 ,记录右手中指的心率和血压。采用 SPSS(7.0版 )统计软件包单
Objective To investigate the effect of body position on cardiovascular system integration and regulation function reflected by Valsalva’s action. Methods Ten adult subjects were subjected to a Valsalva test at 30 mm Hg / 30 s for 3 times at 3 positions, including - 15 ° low head tilt, supine position and + 75 ° head tilt. The right middle finger Heart rate and blood pressure. Using SPSS (version 7.0) statistical package list