TY - CHAP M1 - Book, Section TI - Cerebral Metabolism A1 - Freeman, Brian S. A1 - Berger, Jeffrey S. PY - 2024 T2 - Anesthesiology Core Review: Part Two ADVANCED Exam, 2nd Edition AB - The brain is a major energy-consuming organ in the body. An adult human brain weighs about 1500 g, which represents about 2% of the body weight, yet it consumes approximately 20% of the total body oxygen. In children up to age 4, the brain utilizes about 50% of the total body oxygen. Cerebral metabolic rate (CMR) is expressed in terms of oxygen consumption (CMRO2), which in a normal conscious adult is approximately 3.5 mL/100 g/min or about 50 mL O2/min in the resting state. In the absence of pathology, CMR is coupled with cerebral blood flow (CBF) at 50 mL/100 g/min. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/10/07 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=1206855224 ER -