The physiopathology characteristic of pulmonary heart disease is that the vessels of the lungs are tic, resistance of pulmonary circulation is increased, the blood platelet is gathered, et al.

• 肺心病基本病理生理改变特点是肺血管痉挛、肺循环阻力增高,以及红细胞增多、血液黏稠度增加、血小板聚集等。