The study was focused on heart rate(HR) variation of sinus rhythm before 5 minutes attacking, relationship between premature atrial contraction, coupling interval and PAF episodes.
研究PAF发作与窦性心室率、前5分钟窦性心律的心率变异、房性期前收缩及其配对间期的关系。
Objective To study the effects of nitric oxide(NO) in cardioinhibtory sites within the nucleus ambiguous(NA) on heart rate(HR) and heart rate variability(HRV) in anaesthetized rats.
目的研究大鼠疑核（NA）心抑制区的一氧化氮（NO）对心率（HR）和心率变异性（HRV）的影响。
BIS, mean artery pressure (MAP), heart rate (HR), plasma concentration of propofol, and the total induction dose of propofol when BIS reduced to 50 were recorded.
记录各时间点的BIS、平均动脉压(map)、心率(HR)、丙泊酚血药浓度以及BIS降至50时的丙泊酚麻醉诱导总量。
The effects of electrical stimulations to madian and sciatic nerves on heart rate (HR) and blood pressure (BP)were studied with HR power spectral method.
用心率功率谱分析方法观察了不同频率电刺激大鼠躯体神经对心率及血压的影响机理。
The effects of electrical stimulations to madian and sciatic nerves on heart rate (HR) and blood pressure (BP)were studied with HR power spectral method.
用心率功率谱分析方法观察了不同频率电刺激大鼠躯体神经对心率及血压的影响机理。
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