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This Concept Map, created with IHMC CmapTools, has information related to: Distal paravertebral block, Identify distal ends of tranverse processes L1, L2, L4 Inject approaching laterally 10ml 2% lidocaine+saline 1:1 ratio ventral and close to transverse process, Partially withdraw the needle, redirect caudally and inject along the new line of insertion then Inject the last of the anaesthetic solution slightly dorsal and caudal to the transverse process. This blocks the dorsolateral branches of the nerves, L2 then Partially withdraw the needle, redirect cranially and inject along the new line of insertion, 10ml 2% lidocaine+saline 1:1 ratio ventral and close to transverse process of L2, Pricking area with needle or pinching with hemostat should observe Animal has no pain response, L4 then Partially withdraw the needle, redirect cranially and inject along the new line of insertion, 10ml 2% lidocaine+saline 1:1 ratio ventral and close to transverse process of L1, Distal Paravertebral block Confirm block by Pricking area with needle or pinching with hemostat, L1 then Partially withdraw the needle, redirect cranially and inject along the new line of insertion, Distal Paravertebral block Done by Identifying tranverse processes of L1, L2,L3,L4 L1 located after T13 (last rib), Identifying tranverse processes of L1, L2,L3,L4 L1 located after T13 (last rib) then Identify distal ends of tranverse processes L1, L2, L4, 10ml 2% lidocaine+saline 1:1 ratio ventral and close to transverse process of L4, Partially withdraw the needle, redirect cranially and inject along the new line of insertion then Partially withdraw the needle, redirect caudally and inject along the new line of insertion