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mitral annular calcium 二尖瓣环钙化
They measured the effectie regurgitant orifice and ealuated indices of mitral deformation, including systolic alular tenting and mitral annular contraction. 他们评价了返流时有效的二尖瓣口大小和二尖瓣异形程度，包括收缩期瓣膜的展开及二尖瓣的收缩。
Objective To investigate the characteristics of mitral annular motion in nomal subjects using doppler tissue imging(DTI). 目的应用多普勒组织成像技术(DTI)探查正常人二尖瓣环的运动，以阐明二尖瓣环运动的特征。
Methods Mitral annular motion in 35 cases of normal subjects form apicial four-chamber view and two-chamber view were detected with DTI-M mode. 方法应用DTI-M型技术检测35例正常人心尖四腔观和二腔观二尖瓣环后瓣叶外侧缘的运动。
Ve/Va<1,P<0. 05. MFP in 9 patients display E/A>1,but PW-DTI display Ve/Va<1. Conclusion Mitral annular velocity represent left ventricular whole diastole function. 其中9例患者二尖瓣血流频谱E/A>1;但DTI-PW检测表现为Ve/Va<1。
Conclusion Mitral annular diastolic and systolic velocities parameters measured by DTI can quantitatively be used in assessment of left ventricular function in CAD. 结论 DTI技术检测二尖瓣环舒张期及收缩期运动速度参数可用于定量无创评价冠心病患者的左心室功能，较传统超声心动图测量左心室的功能更简便、更可靠、更准确。
Mitral annular diastolic velocities parameters measured by DTI can be used in assessment of left ventricular diastolic function in essential hypertension. DTI技术检测二尖瓣环舒张期运动速度参数可用于无创评价原发性高血压病左室舒张功能。
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
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。
Methods:Mitral annular early diastole(Ea)and late diastole(Aa)velocities of 30 diabetic patients were measured by DTI and mitral annular inflow velocities E,A were compared with pulse Doppler. 方法 :以 DTI技术检测 30例 DM患者二尖瓣环舒张早期运动速度 (Ea)和舒张晚期运动速度 (Aa) ,并用脉冲多普勒法检测二尖瓣舒张早期血流速度 (E)和舒张晚期血流速度 (A) ,比较两组参数的不同。
Methods:Mitral annular velocity in early diastole(Ea)and late diastole(Aa)in normal and hypertensive patients by Dopper tissue imaging(DTI)were studied, also mitral inflow velocity E,A in hypertensive patients by Doppler flow imaging were detected. 方法 :以多普勒组织成像技术分析正常人和高血压病患者二尖瓣环的舒张早期运动速度 ( Ea)、舒张晚期运动速度 ( Aa) ,比较两者的不同。并用血流多普勒法检测二尖瓣口舒张期流速 E,A,分析高血压病患者血流参数的异常。
Mitral annular movement velocity parameters during diastole measured by DTI can be used to detect LV diastolic dysfunction in patients with CAD and seems to be more sensitive than the conventional echocardiographic diastolic indexes. 舒张功能障碍是检测心肌缺血的敏感指标,应用DTI技术检测二尖瓣环运动速度来评价左室舒张功能,可能较常规超声心动图更为准确。
Automated mitral annular tracking 二尖瓣环自动追踪技术
I have a slight calcium deficiency. 我有点缺钙。
The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
Calcium is beneficial to our bones. 钙对我们的骨骼有益。
The child has a calcium deficiency. 那孩子缺钙。
Analysis on Mitral Annular Motion in Normal Subjects with DTI-pulsed Frequency Spectrum Technique 应用DTI脉冲频谱技术对正常人二尖瓣环运动的分析
The boilers will have to be scoured out to remove the calcium deposits. 锅炉内壁要洗刷一下，除去钙质沉淀物。
It was reported that there would be an annular eclipse tomorrow. 据报道说，明天有日环食。