What is the duration of action for etomidate?

Etomidate is a short-acting intravenous anesthetic commonly used for induction in rapid sequence intubation. Its duration of action is primarily influenced by its rapid redistribution from the central nervous system to peripheral tissues, rather than extensive metabolism. Typically, the effects of etomidate last around 3 to 12 minutes, making it suitable for procedures where quick recovery of consciousness is desirable.

This relatively short duration of action is particularly beneficial in emergency situations, allowing for rapid recovery and minimizing the risks of prolonged sedation in critically ill patients. This characteristic differentiates etomidate from other sedatives that may have longer durations of effect, which can complicate the management of airway and respiratory control.