Etomidate (Amidate) is a short-acting sedative-hypnotic intravenous general anesthetic. Applying the 80/20 rule, this summary focuses on the core 20% of clinical details that deliver 80% of the practical knowledge needed for its safe administration:

1. Clinical Pharmacology & Mechanism

• Mechanism: Facilitates GABAminergic neurotransmission by increasing available GABA receptors, possibly by displacing endogenous inhibitors of GABA binding.
• Cerebral Effects: Reduces cerebral blood flow by 20% to 30%, lowers intracranial pressure (ICP) moderately for several minutes, and decreases intraocular pressure.
• Adrenal Impact: Inhibits steroidogenesis by blocking  ...