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本文采用肺阻抗微分图时相分析法测量RPEP/RVET和RPEP/T两个比值以区别婴幼儿肺炎肺动脉高压期和心衰期。然后再以此两个比值作为客观指标观察心衰期及肺动脉高压期的临床表现,提出临床上的判断标准及何时需用血管扩张药。
In this paper, lung impedance differential graph phase analysis of RPEP / RVET and RPEP / T ratio was used to distinguish between infant pulmonary hypertension pulmonary hypertension and heart failure. And then the two ratios as objective indicators to observe the clinical manifestations of heart failure and pulmonary hypertension period, put forward the clinical criteria and when the need for vasodilators.