目的：评价X线和二维脉冲多普勒超声对法乐氏五联症的诊断价值。
Objective: To evaluate the diagnostic value of X-ray and two-dimensional pulse Doppler ultrasound for the Fallot's pentalogy.
目的：用脉冲多普勒超声心动图评价硝苯地平对冠心病左室收缩功能和舒张功能的影响。
Objective to estimate the effects of Nifedipine on the left ventricular systolic and diastolic function in patients with coronary artery disease by pulsed doppler echocardiography.
目的应用经胸脉冲多普勒超声心动图(PDE)测定高血压病人的冠脉血流储备功能(CFR)。
Purpose To determine coronary flow reserve (CFR) in patients with essential hypertension by transthoracic pulsed Doppler echocardiography (PDE).
方法：本文应用脉冲多普勒超声心动图对冠心病心绞痛者静脉输入心血通前后的左室舒张功能进行了测定。
Method Left ventricular diastolic function was studied with pulsed doppler echo cardiography before and after vein administration Xinxuetong in angina pectoris patients.
以观察胎心四腔观为基础，酌情增加长轴、短轴、主动脉弓等切面观，并适当配合彩色多普勒及脉冲多普勒超声检查。
The main view observed was four-chamber and combined with long axial view, short axial and aortic arch view etc, as well as color Doppler and pulsed Doppler examination.
目的设计一套数字化脉冲波超声多普勒系统，以实现多深度血流频谱分析和显示。
Objective To design a digital multigated PW ultrasound Doppler system and validate the system in experimental study.
在二维超声心动图上用脉冲多普勒（PD-2D）测量计算反流容积（RV）和反流分数（RF% ）。
The regurgitant volume (RV) and regurgitant fraction (RF) calculated by two dimensional pulsed Doppler (2D-PD) method were served as reference values.
在脉冲超声多普勒技术中，换能器的带宽对于检测结果有重要的影响。
The band width of a transducer has a great effect on the results of detection in the pulsed Doppler ultrasonic system.
应用脉冲式多普勒超声心动图检测40例正常儿童肺静脉血流频谱。
Pulsed Deppler echocardiography was used to detect the pulmonary venous flow pattern (PVFP) in 40normal children.
方法采用二维、脉冲式多普勒超声检测DSE患者左室收缩和舒张功能。
Methods The left ventricular systolic and diastolic function of patients was evaluated using two-dimensional and pulse Doppler echocardiography by DSE.
目的联合应用二维、M -型超声心动图与脉冲多普勒技术评价高血压左心室不同构型左房功能改变。
Objective To evaluate left atrial function by 2-de, M-mode and pulsed Doppler echocardiography in different patterns of left ventricular geometric models.
目的联合应用二维、M -型超声心动图与脉冲多普勒技术评价高血压左心室不同构型左房功能改变。
Objective To evaluate left atrial function by 2-de, M-mode and pulsed Doppler echocardiography in different patterns of left ventricular geometric models.
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