Context-sensitive half time, or time in minutes to a 50 percent decrease in effect-site concentration (Ce) after an infusion is stopped.
Reproduced from: Ogura T, Egan TD. Opioid Agonists and Antagonists. In: Pharmacologyand Physiology for Anesthesia: Foundations and Clinical Application, Hemmings HC, Egan TD (Eds), Philadelphia, PA, Elsevier, 2013. Illustration used with the permission of Elsevier Inc. All rights reserved.