... phenylephrine†75–9090–18090–120120–18080–120120–18090–140140–200100–150120–220 36 0–480480–600140–200160–220120–200150–2256075–100180 36 0200–400480–780600–900165–225180–24090–110100–15070–90100–150200 30 045–6060–90ProcaineChloroprocaineLidocaineMepivacaineTetracaineRopivacaineEtidocaineBupivacaine60–7575–9090–120 ... alignment, rotation, and tilting. 38 Sternocleidomastoid m.1st ribClavicleAnterior scalene m.Brachial plexusSubclavian a.Figure 3- 10. Supraclavicular block anatomy: ... skin bridge technique, the stylet of the Tuohy needle (Fig. 2-3A) is used as the needle guide and directed to enter the skin 2 to 3 cm from the catheter exit site. If a non–skin bridge technique...