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本文采用脉冲多普勒频普对正常人(25例),肺心病(26例)与二尖瓣狭窄患者(12例)进行了RSTI的测定,结果表明患病组RPEP延长,RVET缩短,RPEP/RVET比值显著增大。应用多普勒频移——时间关系,可准确求得射血时间,文中对该法的临床价值与测定要点进行了初步讨论。
In this paper, we measured the RSTI of normal subjects (25 cases), pulmonary heart disease (26 cases) and mitral stenosis (12 cases) by pulsed Doppler ultrasound. The results showed that RPEP was prolonged, RVET shortened, RPEP / RVET ratio increased significantly. Application of Doppler shift - time relationship can be accurately obtained ejection time, the clinical value of the method and the main points of the study were discussed.