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- Serum E3, hpL, amniotic fluid index (AFI), and fetal heart sounds were surveyed. 分别测定两个亚级的血E3 、血hpL ,监测羊水指数、胎心监护及胎儿预后以了解和判断胎盘功能。
- Much general straps 2 ） of （ supersonic examination: Pregnant 12 week hind, with Duopule the embryo admires the fetal heart sounds with audibility not tall frequency in the heart. （2）多普勒超声检查：孕12周后后，用多普勒胎心仪可听到频率不高的胎心音。
- Hayen's stethoscopes for fetal heart sounds 阿扬(氏)胎儿心音听诊器
- Winter's stethoscope for fetal heart sounds 温特(氏)胎儿心音听诊器
- Champetier de Ribes' stethoscopes for fetal heart sounds 尚普提埃·德里伯(氏)胎儿心音听诊器
- Design of filter circuit in the system of detecting fetal heart sound 胎心音检测系统中滤波电路的设计
- fetal heart sounds [医] 胎儿心音
- fetal heart sound signal 胎心音信号
- fetal heart sound microphone 胎儿心音微音器
- fetal heart sound recorder 胎儿心音记录器
- fetal heart sound 胎心音
- fetal heart sound chart 胎儿心音图
- The 3rd heart sounds is physiology sex, without pathology meaning. 第三心音是生理性的，没有病理意义。
- Methods Certainly, it is a good way to tutelage the fetal heart under monitor. 方法采用临产后胎儿监护仪来监护胎心率。
- The heart sounds are muffled when the pericardial sac is distended with fluid. 当心包充满液体时心音减弱。
- Firstly,the original heart sounds signal was preprocessed by Huang Transform. 首先利用黄变换对心音信号进行预处理;
- The main function of the computer fetal monitoring device is fetal heart rate detection. 胎心率的自动检测和监护是电脑胎儿监护仪的主要功能。
- Then on the heart sound envelope, S1 and S2 were recognized. 然后利用数学形态学方法提取心音信号的包络;
- Fetal heart tones are first heard with a Doppler instrument 10-12 weeks from the LMP. 胎心音最早可以在末次月经后10-12周用多普勒听到。
- The fetal heart monitor shows that the stifling rate of late-deceleration is higher. 结果：引起胎儿窘迫的主要原因是脐带因素；胎心监护显示晚期减速新生儿窒息率高。
