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心电图对慢性肺原性心脏病右心室肥厚的诊断价值及其诊断标准均已较明确,国内倪氏等认为Doll-Bilger指数(V_5a/b<1)(以下简称DBI)对肺心病的右室肥厚代偿者心电图诊断较其他指标敏感。本文对我院1982年7月～1987年5月临床、心电图及胸部X线检查等资料较完整的71例慢性肺原性心脏病,以及对16例由慢性支气管炎肺气肿演变至慢性肺原性心脏病进行DBI追踪对比观察。以并对DBI早期诊断肺心病右心室肥厚的实际应用价值进行探
ECG diagnostic value and diagnostic criteria for right ventricular hypertrophy of patients with chronic pulmonary heart disease have been more clear, the Ni Ni et al that the Doll-Bilger index (V_5a / b <1) (hereinafter referred to as DBI) right heart of pulmonary heart disease Hypertrophy compensator ECG more sensitive than other indicators. In our hospital from July 1982 to May 1987 clinical, electrocardiogram and chest X-ray examination and other information more complete 71 cases of chronic pulmonary heart disease, and 16 cases of chronic bronchitis emphysema evolved to chronic lung DBI follow-up observation of primary heart disease. And to explore the DBI early diagnosis of pulmonary heart disease, the practical value of right ventricular hypertrophy exploration