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肺功能检查已被广泛应用于临床医学中,主要根据流速-容量(F-V)曲线中数据的采集,诊断疾病或判定损害程度,而对于F-V曲线图本身的临床价值现认识不足。通过3例胸外型上气道梗阻流速-容量曲线图特点的分析,一方面为此类疾病找到一种方便、价廉的检查方法,同时也希望提高对F-V曲线图的临床价值的认识。
Pulmonary function tests have been widely used in clinical medicine, mainly based on the data collected in the F-V curve to diagnose disease or determine the degree of damage, but the clinical value of the F-V curve itself is not well understood. Through the analysis of the characteristics of thoracic airway obstruction flow-volume curve in 3 cases, on the one hand, we find a convenient and inexpensive method for the detection of these diseases, meanwhile, we also hope to improve the clinical value of F-V curve.