病人第一次肺功能检查结果说明气道阻力增加,符合慢性气管炎的表现。病人肺活量略高于预期正常值,这是中度气道阻塞性疾病的常见表现。由于气道阻力增加,要求呼吸肌用力较大,因此呼吸肌比较发达。但是,此肺活量分布显然是异常的。病人补吸气量小,而补呼气量大,因此,潮气量增大;另外,呼气时间延长, The patient’s first pulmonary function test results showed increased airway resistance, in line with the performance of chronic bronchitis. Patient lung capacity slightly higher than expected normal, which is a common manifestation of moderate airway obstructive disease. As the airway resistance increases, requiring greater muscle strength of the respiratory muscles, respiratory muscles more developed. However, this vital capacity is apparently abnormal. Patient to inspiratory small amount of breath, and fill expiratory volume, therefore, tidal volume increases; In addition, the expiratory time is extended,