在快速序列插管时，平卧位所造成的肺后叶的肺不张可导致肺容量和肺氧储备量减低，使窒息时间缩短。
The supine position during rapid sequence intubation may result in posterior lung atelectasis thereby reducing lung volumes, oxygenation reserve, and ultimately apnea time.
以平卧位右上肢肱动脉无创血压为标准，术前和术后2周、3个月进行观察。
The non invasive blood pressure of right upper limb was measured before and 2 weeks, 3 months after the operation.
站位时足踝动脉血压均高于平卧位时肱动脉血压（P<0.05）。
Results:The ankle artery blood pressure in standing position was higher than brachial artery blood pressure in prostration station(P<0.05).
当患者取平卧放松位时，结果所测得应力值比站立时少30%。
When the patients were lying in relaxed positions, resultant forces were less than 30% of the values during standing.
患者平卧位、俯卧位或坐位。
患者平卧位、俯卧位或坐位。
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