RT Book, Section A1 Anderson, Michael A2 Atchabahian, Arthur A2 Gupta, Ruchir SR Print(0) ID 57262954 T1 Chapter 152. Transversus Abdominis Plane (TAP) Block; Ilioinguinal and Iliohypogastric Blocks 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=57262954 RD 2024/04/23 AB Table Graphic Jump Location|Download (.pdf)|PrintNervesLevel blockedSubcostal nerves (T9–L1)Ilioinguinal/iliohypogastricnerves (T12–L1)T10–L1 blocked reliablyT9 blocked 50%T4–T8 described but inconsistently blocked:No analgesia above umbilicusCovers skin, muscle, and parietal peritoneumVisceral structures not blocked