腹部10 1 5t r2star规范化扫描方案.pptVIP

In order to accurately capture a subtle 0.5-3% signal intensity increase… caused by the intensified blood supply to the exercised region of eloquent cortex Need a system with very low intrinsic system variations and noise… to reliably measure subtle physiologic responses Need short exam time … as patient immobility and cooperation in following the tasks are crucial and more of a challenge during lengthy exams Need integrated workflow and interface… with synchronized paradigm management and image acquisition as well as post-processing and analysis tools needed In order to accurately capture a subtle 0.5-3% signal intensity increase… caused by the intensified blood supply to the exercised region of eloquent cortex Need a system with very low intrinsic system variations and noise… to reliably measure subtle physiologic responses Need short exam time … as patient immobility and cooperation in following the tasks are crucial and more of a challenge during lengthy exams Need integrated workflow and interface… with synchronized paradigm management and image acquisition as well as post-processing and analysis tools needed In order to accurately capture a subtle 0.5-3% signal intensity increase… caused by the intensified blood supply to the exercised region of eloquent cortex Need a system with very low intrinsic system variations and noise… to reliably measure subtle physiologic responses Need short exam time … as patient immobility and cooperation in following the tasks are crucial and more of a challenge during lengthy exams Need integrated workflow and interface… with synchronized paradigm management and image acquisition as well as post-processing and analysis tools needed For GE Internal Use Only. Not for External Distribution. 磁共振规范化扫描方案（HDe） ---中华磁共振应用学院系列教材 肝脏 患者摆位： 上腹部扫描前，禁食禁水四小时。 仰卧位，脚先进，身体左右居中，两前臂交叉抱头（注意，不是两手交叉在一起）。 观察腹部呼吸最明显位置，外加呼吸门控，磁体上的呼吸显示上下波动幅度要超过全长的三分之一。呼吸门控软管上下缘放置软垫，防止线圈直接压迫呼吸门控软管。 线圈中心对准胸骨箭突，三平面定位图像上观察肝脏既不能偏上也不能偏下，确保肝脏位于线圈的中心。 嘱患者练习呼气末屏气。 摆位照片：