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The systolic peak velocity(Vs) and the systolic peak displacement(D) in 6 mitral annulus sites were measured with QTVI and TT. 应用QTVI及TT获得左心室侧壁、后间隔、前壁、下壁、前间隔、后壁二尖瓣环处的收缩期峰值速度(Vs)、收缩期最大位移(D),6个室壁的平均Vs(AVs)、平均D(AD)。
In MI group , TT Score indexes were related with mean systolic peak velocity, time - velocity intergral of different mitral annular sites, left ventricular ejection fraction, ( r = 0. 62, 0. 59, 0.67 ,P<0. 01 ). MI组Tr记分指数与各二尖瓣瓣环的V:、，rV Im护LVEF明显相关(r二0.;62、0
The changes of systolic peak velocity (VS), diastolic peak velocity (VD), mean glow velocity (VM), pulsatility index (PI) and resistent index (RI) of renal blood flow were observed. 并观测肾血流收缩期峰值流速(VS)，舒张末期峰值流速(VD)，平均流速(VM)，搏动指数(PI)及阻力指数(RI)的变化。
Effect on the Value of Systolic Peak Velocity of Common Carotid Artery with Pulse Doppler Messured at Different Distance from Bifurcation 脉冲多普勒对颈总动脉不同节段收缩期最大血流速度测量的影响
Systolic peak velocity 收缩期速度峰值
Abstract： Objective This paper is to investigate the ratio of the systolic peak value and the end-diastolic velocity of blood flow (S/D value) and its clinical value, which can predict fetal anoxia. 目的探讨脐动脉收缩期血流峰值(S)与舒张末期血流速度(D)的比值(S/D)对预测胎儿宫内缺氧的临床价值。
Objective This paper is to investigate the ratio of the systolic peak value and the end-diastolic velocity of blood flow (S/D value) and its clinical value, which can predict fetal anoxia. 目的探讨脐动脉收缩期血流峰值(S)与舒张末期血流速度(D)的比值(S/D)对预测胎儿宫内缺氧的临床价值。
Changes in cerebral blood flow, including systolic peak flow velocity(Vs)、enddiastolic peak flow volocity (Vd) and mean peak flow velocity (Vm) of middle cerebral artery, were analysed. 结果:咀嚼运动后大脑中动脉收缩期峰流速、舒张期末峰流速及平均峰流速较咀嚼运动前均有明显增加。
The bore of right ventricle and pulmonary artery widned gradually with increasing time in Tibet. The peak velocity of tricuspid valve and pulmonary valve increased obviously. 右心室和肺动脉内径随进藏时间增加呈逐渐增宽趋势,肺动脉瓣、三尖瓣峰值流速明显增快。
The mean peak velocity(EVe, EVa) and ratio(EVe/EVa), the mean peak strain rate(Ee, Ea) and ratio(Ee/Ea) were calculated. 计算前后瓣环的平均峰值速度(EVe、EVa)及比率(EVeEVa); 平均峰值应变率(Ee、Ea)及比率(EeEa)。
Peak velocity (Vp), mean velocity (Vm), pulsatile index(PI) and resistance index(RI) of malignant tumor are higher than those of benign tumor. 乳腺恶性肿瘤的收缩期最高流速、平均流速、搏动指数、阻力指数均高于良性病变。
The peak velocity of A,A/E ratio and LV mass were significantly higher in the AHF group than the control group( P <0 02, P <0 01, P <0 01 respectively). AHF组左室收缩功能正常 ;多项舒张功能异常。其中 A峰速、A/ E比值及左室重量明显高于对照组 (P值分别为 <0 .;0 2、 <0
The proximal and distal average peak velocity(APV),diastolic/systolic velocity ratio(DSVR),coronary flow reserve(CFR)and proximal/distal velocity ratio(P/DVR)were measured. 用CardiometricsFlomapII和0.;014英寸多普勒钢丝测量：近端及远端平均峰速（APV）、舒张期与收缩期流速比（DSVR）、血流储备（CFR）和近端与远端流速比（P/DVR）。
The bore of right ventricle and pulmonary artery widned gradually with increasing time in Tibet.The peak velocity of tricuspid valve and pulmonary valve increased obviously. 右心室和肺动脉内径随进藏时间增加呈逐渐增宽趋势,肺动脉瓣、三尖瓣峰值流速明显增快。
The coronary peak velocity(CPV)and the velocity time integral(VTI)in left anterior descending arterial flow were measured during dipyridamole induced hyperemia under control conditions and each grade of acute AR. 记录各返流程度的舒张期血流速度峰值 ( CPV)、加速时间 ( AT)、减速时间 ( DT)和全心动周期的速度时间积分 ( VTI)及动脉舒张压 ( DBP)。然后在各种状态下经股静脉匀速推注潘生丁 ( 2 .;0 mg/kg);2分钟推完;记录各组每分钟冠脉血流的 CPV和 VTI;
Velocity|related indices derived from MPD including peak velocity of S wave, E wave and A wave, A/E and MVG (myocardial velocity gradient) were applied for the detection of WMA. For evaluation of WMA, left ventricle was divided into 20 segments. 用于室壁运动分析的 MPD速度指标为 S波、E波、A波的峰速度 ,A/ E比值及跨壁速度梯度 (MVG)。
Methods The early and late diastolic peak velocity of the mitral annulus(Em and Am)and the ratio(Em/Am)were measured by Doppler tissue imaging(DTI)and compared before and after 3 months treatment with oral valsartan. 方法应用多普勒组织成像(DTI)技术测定二尖瓣环舒张早、晚期峰值运动速度(Em和Am)及其比值(Em/Am),比较向心性重构型原发性高血压左室整体舒张功能减退患者口服缬沙坦3个月前后Em、Am以及Em/Am的变化。
Methods: Left ventricular ejection fraction(LVEF), mitral inflow peak velocity(E,A), and mitral annular velocity(Sa, Ea, Aa) were measured with DTI PWD in 20 patients with coronary heart disease(CHD) and 20 normal subjects. 方法 :测量 2 0例正常人和 2 0例冠心病患者左室射血分数 (L VEF) ,二尖瓣口舒张期血流频谱 E波、A波和二尖瓣环频谱 Sa波、Ea波、Aa波的峰值速度。
Results:There is significant differen ce between both side in patients in urinary peak velocity,mean velocity,jet du ration,interjet interval,accelerative time and no difference in volunteers. 结果:梗阻输尿管的喷尿峰值速度、平均速度较健侧及正常人增大,喷尿间隔时间延长,喷尿时间缩短,喷尿加速时间缩短。
Methods:Both side of ureters of 33cases of obstructive ureter and 20volunteers were measured in jet peak velocity,mean velocity,jet duration, interjet interval and accelerative time. 方法:对照分析33例输尿管梗阻和20例正常人的尿流峰值速度、平均速度、喷尿时间、喷尿间隔时间、喷尿加速时间。