TY - CHAP M1 - Book, Section TI - Obstetric Analgesia & Anesthesia A1 - McDonald, John S. A1 - Chen, Biing-Jaw A1 - Kwan, Wing-Fai A2 - DeCherney, Alan H. A2 - Nathan, Lauren A2 - Laufer, Neri A2 - Roman, Ashley S. PY - 2019 T2 - CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 12e AB - Analgesia is the loss or modulation of pain perception. It can be (1) local and affect only a small area of the body, (2) regional and affect a larger portion of the body, or (3) systemic. Analgesia is achieved by the use of hypnosis (suggestion), systemic medication, regional agents, or inhalational agents. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - obgyn.mhmedical.com/content.aspx?aid=1159955557 ER -