The increment of tidal volume was mainly contributed to the prolongation of inspiratory time.
吸气流速无明显变化，潮气量增加主要由于吸气时间延长所致；
Inspiratory time is measured from the beginning of inspiration to the beginning of exhalation.
吸气时间测定是从吸气开始到呼气开始。
Conclusion Inspiratory muscle training before CABG can improve respiratory function, decrease postsurgical pulmonary complications and shorten the time of mechanical ventilation.
结论CABG术前吸气肌锻炼能明显改善患者术前肺功能，缩短术后机械呼吸支持时间，减少术后肺部并发症的发生。
Common form of the pressure switch, volume switch, time switch and flow switch, that is, to achieve the preset inspiratory pressure, capacity, time or flow rate is converted to breath.
常见的方式有压力切换、容量切换、时间切换和流速切换，即吸气达到预置的压力、容量、时间或流速则转为呼气。
Common form of the pressure switch, volume switch, time switch and flow switch, that is, to achieve the preset inspiratory pressure, capacity, time or flow rate is converted to breath.
常见的方式有压力切换、容量切换、时间切换和流速切换，即吸气达到预置的压力、容量、时间或流速则转为呼气。
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