%0期刊文章%a hart,jd%a withers,rt%a tucker,rc%t精度和连续和正弦流的摩根通风仪的精度和准确性%d 1994%j欧洲呼吸期刊%p 813-816%p 813-816%v 7%n n n n n n4%X P.K.Morgan Mark II通风仪包括涡轮传感器和一个控制/读取单元,其中包含Ventx5A或Ventx6A程序。该设备用于测量氧气消耗测试期间的微小通风。在连续和脉动流动过程中检查了这些设备中的六个设备(具有两个涡轮机的Ventx5a和两个带有两个不同涡轮机的Ventx6A)的精度和准确性;在校准过程中,准确性受注射器速率的影响。参考标准是350 L Collins链条补偿的气压计。在连续流动时,两个VENTX5A设备在60-160 L.min-1范围内的准确性为99.5-100.5%,而四个VENTX6AS的精度比60-200 L.min-1的范围比99.3-102.1%。VENTX5A的正弦流的平均精度在跨15-200 L.min-1的微量体积的96.1-101.3%之间;VENTX6A的可比数据为95.9-98.9%。 These mean accuracies improved to 98.1-101.3% for the VENTX5A at measured minute volumes > 80 l.min-1. Omission of the two lowest tidal volumes (1 and 1.5 l) for the VENTX6As narrowed the range of accuracy to 96.9-98.5%. The coefficients of variation for five trials at each minute ventilation were 0-0.2%. We conclude that, while the P.K. Morgan Mark II Ventilometer has excellent precision, its accuracy is dependent on the calibration syringe rate, minute ventilation and program. %U //www.qdcxjkg.com/content/erj/7/4/813.full.pdf