RT Book, Section A1 Atchabahian, Arthur A2 Atchabahian, Arthur A2 Gupta, Ruchir SR Print(0) ID 57262537 T1 Chapter 133. Interscalene Block T2 The Anesthesia Guide YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176049-2 LK accessanesthesiology.mhmedical.com/content.aspx?aid=57262537 RD 2024/04/19 AB Table Graphic Jump Location|Download (.pdf)|PrintLevel of blockadeCoverage distribution (Figure 133-1)Roots/trunksC5, C6, and C7C4 and phrenic block quasi-constant by diffusionInconstantly C8 and T1