MVG

Conclusion Our observation indicated that MVG calculated by curved M-mode echocardiography made in our laboratory is a reliable and simple method for measurement of MVG, which simplified the process of complicated measurement of MVG.

结论自制曲线解剖M型超声图像方式MVG检测方法操作简便易行、重复性较好，使复杂的MVG测定过程简化，易于临床应用。

Conclusion: MVG can quantitatively analyze the motional state of regional myocardium, alternatively providing an effective index of evaluating cardiac function in coronary artery disease.

结论：MVG可定量评价局部心肌运动状态，为临床心功能评价提供有效指标。

It is useful for preventing the occurrence of severe MR that using a stepwise dilatation technique and monitoring the changes of mitral valve gradient and cardiac murmur during PBMV procedure;

采用球囊直径递增法扩张并监测MVG、监听心杂音变化能有效预防严重MR的发生；

With color-coded M-mode TDI, the endocardial 、 epicardial velocities and the myocardial velocity gradient ( MVG) were calculated within posterior wall from left ventricular long-axis view.

a）组织多普勒检查：M型彩色多普勒测量左室长轴切面T波顶点时左室后壁（心内膜、心外膜）的心肌运动速度（Vendo、Vpi）、心肌运动速度跨壁梯度（MVGm）；

Objective To analyze the clinical value of peak myocardial velocity gradient ( MVG) as a noninvasive indicator of left ventricular ( LV) systolic or diastolic function.

目的探讨心肌速率阶差MVG评价左室舒缩功能的价值。

Conclusion As a useful index for quantitative evaluation of LV regional function, MVG may be used as a new parameter for evaluation of myocardial viability and the prediction of the recovery of regional myocardial dysfunction.

结论MVG可准确定量评价左室局部运动，有望作为临床评价AMI患者存活心肌、预测可逆性左心功能障碍恢复的新指标。

Maze-like vertically-oriented graphene ( MVG) was grown with a home-made surface mode microwave-PECVD reactor for comparison. 2.

为了比较，采用自制的微波-等离子体增强化学气相沉积（M-PECVD）反应器制备了迷宫状的垂直取向石墨烯（MVG）。

The two-parameter MVG model yields the largest errors among the five models, and therefore is not suitable for describing soil particle-size distributions in Fengqiu area.

在这五种参数模型中，MVG模型的误差最大，不能精确描述封丘地区壤土类土壤的颗粒大小分布。