舒张期

时间因子K定义为心动周期（T）与舒张期持续时间（Td）之比。

K is defined as the ratio of cardiac period ( T ) to total duration of diastole ( Td ) .

肺静脉血流频谱收缩、舒张期速度和心房收缩期反流速度（S、D、Ar峰）及积分，计算S/D；

Vena pulmonary venous peak flow velocities and velocity time integrals of systolic ( S ), diastole ( D ), atrial contraction ( Ar );

结果对照组的组织多普勒曲线舒张期表现为有规律的负向波e、a，并且负向波的峰值速度Ve>Va。

Results Tissue velocity imaging of normal subjects contained regular negative waves e and a.

年龄对舒张期SR参数有较明显影响。

Age has obvious influence on SR during diastolic phase .

定量壁运动积分法对比4级节段性收缩和舒张期壁运动的CK测值。

CK measurements were compared among 4 wall motion grades .

结论PR延长是形成二尖瓣舒张期返流的重要条件；

Conclusions long PR interval is an important condition to form diastolic mitral regurgitation ;

胎儿出生后左心室舒张期房室瓣口血流速度A／E比值明显下降，主动脉瓣口血流峰速明显增快；右心室房室瓣口血流及肺动脉瓣口血流速度无明显变化。

A / E ratio in mitral were obviously decreased and blood flow velocity of aortic valve were significantly increases in neonate .

结果显示：冠心病室壁运动异常节段的收缩期，舒张期速度均低于正常组（P＜0.05）。

The ischemic myocardial viability was assessed . It showed that the velocity of the asynergic segment was significantly lower than normal subject ( P < 0 05 ) .

结果恐惧情绪和愉快情绪时相比的收缩压和舒张压、舒张期二尖瓣口E峰积分有显著性变化；

Results There were significant differences in systolic pressure , diastolic pressure and E spike integral of diastole between fear and amusement emotions .

在二尖瓣口用血流脉冲多普勒法（PWD）测舒张期血流E峰、A峰、E/A比值。

Mitral inflow velocity E , A and E / A ratio were detected .

收缩期最高流速、舒张期最低流速及阻力指数在二者鉴别中无显著差异（P＞0.05）。

The maximum blood flow velocity , the minimum blood flow velocity , and the resistance index , were not significantly different in the two groups ( p > 0.05 ) .

结果显示：高血压病组二尖瓣舒张期血流参数Ep、Ei、E／A较正常组显著降低，AFF显著升高；

The results showed that the diastolic parameters of mitral flow Ep , Ei .

在一定范围内PR越长则二尖瓣舒张期返流持续时间越长；

In a certain rang , the longer the PR interval , the longer the duration of the diastolic mitral regurgitation ;

IMA移植后舒张期血流明显增加。

The diastolic blood flow of grafted IMA markedly increased postoperatively .

大量研究表明，窦房结起搏细胞舒张期自动除极化过程虽有多种跨膜离子流参与，但起主要作用的是起搏离子流（If）。

Lots of study revealed that spontaneous depolarization of sinoatrial cell included many kinds of transmembrane ionic currents . the Funny Curret ( If ) was the most important one .

本方法建立的基础是测量右室等容舒张期，即从肺动脉瓣关闭到三尖瓣开放的间期（PД&T）。

This method is based upon measuring the isometric diastolic period of the right ventricle , i. e , the interval between the closure of the pulmonary valve and the opening of the tricuspid valve ( P2-T interval ) .

经过一夜睡眠呼吸紊乱后，OSAHS患者清晨舒张期血压明显升高。

Diastolic blood pressure in the morning was higher than in the evening in OSAHS .

即载MB冠状动脉走行迂曲成角时，舒张期MCA狭窄程度较走行正常者严重。

That is contained MB tortuous coronary Traveling into the corner when the diastolic MCA stenosis is higher than normal Traveling serious .

本研究旨在：（1）研究正常人等容舒张期左室壁纵向应变率（SR）特点。

The objectives of this study are as follows : ( 1 ) to investigate longitudinal SR characteristics of left ventricular wall in isovolumic relaxation period in normal persons .

同时，CK显示MI组梗死部位的心内膜在收缩或舒张期的颜色变化与对照组不同，彩色位移明显减少。

In the meantime , we found that the color change of the regional endocardium of infarct wall was different from normal ones and color displacement lessened remarkably .

左房收缩引起AV平面位移与全舒张期AV平面位移比值Ⅱ组、Ⅲ组＞Ⅰ组（P＜0.001，P＜0.001）。

The ratio of AV plane displacement elicited by left atrial contributions and that in total diastolic stage were ; Group ⅱ and ⅲ > Group ⅰ ( P < 0 . 001 ) .

彩色超声多普勒脐血流测定是一种监测胎盘循环的无创伤性检查，它通过检测脐血流的收缩期/舒张期血流比（systolic/diastolicratio，S/D值）来反映脐血流阻力的高低。

The Color Doppler Ultrasonic Umbilical Artery Analysis is a method to detect the circulation of placent . It is no injury , and can reflect the resistance of placent by examining S / D ( systolic to diastolic ratio ) of umbilical artery .

DTI的收缩期峰速度与LVEF和舒张期峰速度比值e/a与E/A在两组间均呈显著相关（P<0.05）。

Peak s velocity was significantly related to LVEF , and e / a ratio was significantly related to ( E / A. )

目的：探讨单纯舒张期高血压（IDH）对心血管事件（CVD）发生的危险性。

Objective : To explore the risk of isolated diastolic hypertension ( IDH ) to the cardiovascular disease ( CVD ) .

对照组基底段和中间段在等容舒张期PSS的发生率分别为27%、21%，无一例发生病理性PSS。

The rates of isovolumic relaxation phase PSS in basal and mid segments in normal persons were 27 % and 21 % , none of them was pathological .

目的：应用定量组织速度图（TVI）观察冠心病患者经皮腔内冠状动脉成形术（PTCA）术前、术后左心室壁舒张期的运动情况，定量分析左心室心肌局部舒张功能。

Objective : To analyze quantitatively regional left ventricular diastolic function Before and After PTCA by tissue velocity imaging ( TVI ) .

采用智能声学定量技术测取左室舒张早、晚期及全舒张期充盈量（ED－FV、LDFV、DFV）。

The filling volume of early and late and total diastole were measured by Acoustic Quan - tification ( AQi ) .

冠脉造影术和冠脉支架置入术前后患者肱动脉的基础内径、收缩期流速峰值、舒张期反向流速峰值无明显改变，差异无统计学意义（p0.05）。

The basic diameter 、 peak systolic velocity 、 diastolic velocity of brachial artery were no significant change after coronary stent implantation . The difference was not statistically significant ( p 0.05 ) . Conclusion : 1 .

LADA组收缩期和舒张期心肌峰值速度、应变率及收缩期、舒张早期心肌应变明显低于对照组（P＜0.01）。

Myocardial velocity and strain in systolic and diastolic period , myocardial strain in systolic and early diastolic period in LADA group were significantly lower in comparison with control group ( P 0.01 ) .

子宫肌瘤组子宫动脉呈舒张期高频低阻型，PSV及PI升高，而RI降低。

The uterine artery in uterine fibroid group appears to be diastolic high-frequent , low-resistance type , which means PSV and PI are increasing while RI is decreasing . 2 .