Research Article

Transition from Deep Regional Blocks toward Deep Nerve Hydrodissection in the Upper Body and Torso: Method Description and Results from a Retrospective Chart Review of the Analgesic Effect of 5% Dextrose Water as the Primary Hydrodissection Injectate to Enhance Safety

Figure 4

Procedure for stellate ganglion hydrodissection: sonoanatomy. The figure shows labeled structures, with the needle just past the anterior tubercle of C6. AS: anterior scalene, CA: carotid artery, IJV: internal jugular vein, LCa: Longus Capitis, LCo: longus colli, MS: middle scalene, PVF: prevertebral fascia, SCM: sternocleidomastoid, VN: vagus nerve, and VA: vertebral artery.