尘肺可使肺组织遭受损害及导致肺气肿的形成,使肺泡弹性及肺泡血管交换气体的功能受到明显的障碍,由于肺功能的损害和继发的心脏功能障碍,常造成工人不同程度的残废,因此,对于尘肺所引起的功能障碍,无论在劳动力鉴定或医疗预防上的应用,肺功能的检查是很必要的。通过肺功能 Pneumoconiosis can cause damage to the lung tissue and lead to the formation of emphysema, resulting in significant obstructions in the function of the alveolar elasticity and the alveolar vascular exchange gas. Workers often experience disability due to impairment of lung function and secondary cardiac dysfunction Therefore, examination of lung function is necessary for dysfunction caused by pneumoconiosis irrespective of labor force or medical prevention. Through the lung function