肺气肿是一种重要的慢性呼吸系统疾病,指终末细支气管远端(呼吸细支气管、肺泡管、肺泡囊和肺泡)的气道弹性减退,过度膨胀、充气和肺容积增大或同时伴有气道壁破坏的病理状态。本病为慢性病变,病程长,影响健康和劳动力,给社会生产和经济带来巨大损失。发病症状1.肺气肿早期常常无症状或仅感到气促、胸闷、呼气不畅。2.随病情发展会感到呼吸困难,上楼时气喘吁吁,心慌气促,胸部呈圆桶状。 Emphysema is an important chronic respiratory disease that refers to the loss of airway elasticity, excessive expansion, inflation, and increased lung volume at the distal end of the bronchioles (respiratory bronchioles, alveolar ducts, alveolar sacs and alveoli) or at the same time Pathological conditions associated with destruction of the airway wall. The disease is a chronic disease, long duration, affecting health and labor, to the social production and economic losses. Symptoms 1. Early emphysema often asymptomatic or only feel shortness of breath, chest tightness, poor breath. 2. With the progression of the disease will feel breathing difficulties, upstairs breathless, palpitation, shortness of breath, chest was cylindrical barrel.