Its stereoscopic shape was observed in long views, the apical and parasternal four chamber views of left ventriculum and its regurgitant extent were estimated.
于左心长轴观、心尖或胸骨旁四腔观以及反流束横断面方位显示偏心性反流束的整体形态，评价二尖瓣的反流程度。
In apical four chamber view, not only single ventricle could be displayed, but the common atrio-ventricular valve, mono-atiriatum and other anomality could be displayed also.
在心尖四腔心切面除显示单心室外，还能显示共同房室瓣、单心房等合并畸形。
Methods Mitral annular motion in 33 cases of normal subjects form apical four-chamber view and two-chamber view were detected with DTI-M mode.
方法通过DTI - M型模式检测33例健康人心尖四腔观和二腔观二尖瓣环后瓣叶外侧缘的运动。
Color m mode Doppler echocardiography studies were obtained from mitral valve orifice toward the apex: the rate of flow propagation velocity (FPV) from apical 4 chamber views.
将m型取样线置于二尖瓣口左室流入道至心尖获取彩色左室舒张期血流传播图测量fpv。
Methods Standard apical two-chamber, four-chamber and long-axis views of 30 healthy volunteers were acquired and the wall motion amplitudes of each segment were measured.
方法30例健康志愿者。获取标准心尖两腔、长轴、四腔观，应用解剖M-型超声技术定量测量心肌各节段的运动幅度。
Methods This study consisted of 102 patients and 36 healthy volunteers. VP was measured by color M-mode echocardiography from the apical four chamber view.
方法选择原发性高血压病人102例和健康志愿者36例，在心尖四腔心切面，应用彩色M型多普勒超声测量VP。
Methods This study consisted of 102 patients and 36 healthy volunteers. VP was measured by color M-mode echocardiography from the apical four chamber view.
方法选择原发性高血压病人102例和健康志愿者36例，在心尖四腔心切面，应用彩色M型多普勒超声测量VP。
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