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肺心病是危害人民健康较严重的一种疾病,我国北方的发病率较高。据国内统计肺心病发病率高达2.5～3%。40岁以上者占肺心病总人数的87.5%,早期诊断对于防治是重要的。在慢性支气管炎等病的发展过程中,出现肺动脉高压及右心室增大,尚无心功能不全时,称早期肺心病。以往诊断早期肺心病阳性率较低,特别在肺动脉高压期,
Pulmonary heart disease is a serious disease that endangers the health of the people, and the incidence in northern China is high. According to the national incidence of pulmonary heart disease as high as 2.5 to 3%. Over 40 years old accounted for 87.5% of the total number of pulmonary heart disease, early diagnosis is important for prevention and treatment. In the development of chronic bronchitis and other diseases, there pulmonary hypertension and right ventricular enlargement, no heart failure, said early pulmonary heart disease. In the past the diagnosis of early low rate of pulmonary heart disease, especially in the period of pulmonary hypertension,