試題詳解

60. 下列有關Ultrasound Guidance for Regional Anesthesia的敘述而者有誤?
(A) Anisotropy is the change in echogenicity with inclination of the transducer
(B) In the infraclavicular region, reverberation artifact deep to the axillary artery can be mistaken for the medial cord of the brachial plexus
(C) Brachial Plexus的排列順序(From central to peripheral):Roots→Trunks→Divisions→Cords→Nerves
(D) The ideal place for local anesthetic distribution to achieve complete infraclavicular block is posterior to the axillary artery for single shot or catheter placement.
(E) Power Doppler is less angle dependent and not subject to aliasing