PICC导管尖端位于上腔静脉上段与中下段在肿瘤患者中的效果比较 关键词】 PICC；导管尖端位置；肿瘤患者[gap=1218]Key words】 PICC; Position of cacumen of PICC;Tumour patients
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提示心电图技术可用于监测中心静脉导管尖端位置。
It was suggested that the electrocardiography technique might be used to inspect the central venous catheter tip.
由于3d RA显示出管腔而诊断扫描显示出软组织，因此能够评估导管尖端位置处的组织。
Since the 3d-ra displays the lumen and the diagnostic scanning displays soft-tissue, it is possible to assess the tissue at the catheter tip position.
然后，使用导管的尖端在这些位置上施加能量(用于加热的射频或者用于冻结的液氮)。
The tip of a catheter is then used to apply energy (either radiofrequency to heat or liquid nitrogen to freeze) at these locations.
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