肺源性心脏病,简称肺心病,是指由支气管-肺组织、肺廓或肺血管病变致肺血管阻力增加,产生肺动脉高压,继而右心室结构和(或)功能改变的疾病。根据起病缓急和病程长短,可分为急性和慢性肺心病两类,临床上以后者多见。 Pulmonary heart disease, referred to as pulmonary heart disease, refers to diseases caused by increased pulmonary vascular resistance resulting from bronchial-pulmonary tissue, lung or pulmonary vascular disease, resulting in pulmonary hypertension and subsequent changes in the structure and / or function of the right ventricle. According to the onset and duration of acute illness can be divided into two categories of acute and chronic pulmonary heart disease, the latter more common in clinical practice.