慢性肺心病是由于某些疾病影响肺组织的结构和/或功能而导致的右心室肥厚,但须除外其原发原因的左心疾患或先天性心脏病。急性型因发病过程短暂,可无右心肥厚,但肺动脉高压仍为基本特点。右心室肥厚则在过了一定时间后才出现,因心脏负荷虽有增 Chronic cor pulmonale is a left ventricular disease or congenital heart disease caused by certain diseases affecting the structure and / or function of the lung tissue, with the exception of its primary cause. Acute type due to the onset of a brief process, no right heart hypertrophy, pulmonary hypertension is still the basic characteristics. Right ventricular hypertrophy after a certain period of time before there, although the heart load increased