Chronic obstructive pulmonary disease (COPD) variously accompanied with hypersecretion and airway obstruction in acute period.

• 慢性阻塞性肺疾病(COPD)急性期常发生痰多及气道阻塞，并因低氧血症、高碳酸血症和酸碱失衡而危及患者生命。