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m VG评价左室舒缩功能的价值。
Objective: to quantitatively analyze regional left ventricular (LV) systolic function before and after coronary artery stent implantation by quantitative tissue velocity image (QTVI).
目的：采用超声定量组织速度显像(QTVI)技术，评价冠状动脉内支架置入术后的左室局部室壁运动改变。
Deleterious effects of passive smoking on endothelial function and coronary flow reserve are known. However, no data exit about the effects on left ventricular (LV) systolic and diastolic function.
被动吸烟对血管内皮功能和冠状动脉血流储备的有害影响是众所周知的，然而，对于左心室(LV)收缩和舒张功能的影响尚没有相关数据支持。
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