肺心病是肺源性心脏病的简称,是由于肺组织或肺部血管的慢性病变引起肺动脉压力增高,最后发生肺、心功能衰竭的一种心脏病。研究证明,人在吸烟时,烟雾的刺激以及一些有害物质,如焦油、尼古丁、一氧化碳等,首先作用于支气管和肺泡,使小气道功能受损,久而久之就造成慢性 Pulmonary heart disease is a short form of pulmonary heart disease, which is a type of heart disease caused by the chronic pulmonary vascular or pulmonary vascular disease caused by increased pulmonary artery pressure, and finally pulmonary and heart failure. Studies have shown that when people smoke, the stimulation of smoke and some harmful substances, such as tar, nicotine, carbon monoxide and so on, the first role in the bronchus and alveoli, so that small airway damage, over time caused by chronic