presystolic
英
美
adj. （心）收缩前期的
双语例句
- Fetal pulmonary venous flow peak systolic/ peak diastolic ratio, presystolic velocity, septal thickness and left ventricular mass were more sensitive than other parameters to reflect the variation of fetal left ventricular morphology and diastolic function.
胎儿室间隔厚度、左室重量、肺静脉血流频谱S／D比值、A谷速度较其它数据更敏感反映胎儿左室形态及舒张功能的变化。 - Fetal pulmonary venous flow S/ D, presystolic velocity were more sensitive than mitral valve ( E/ A) to reflect the variation of fetal left ventricular diastolic function.
胎儿肺静脉血流频谱S/D值、A谷速度较二尖瓣血流E/A值能更敏感地反映胎儿左室舒张功能的变化。