Aesthesia

: Provides sedation and pain relief while the patient remains partially conscious and able to breathe independently.

: Renders the patient completely unconscious and unresponsive. It is typically maintained through inhaled gases (like sevoflurane) or intravenous agents (like propofol). aesthesia

: Numbs a small, specific area for minor procedures by blocking voltage-gated sodium channels in nerve fibers. : Provides sedation and pain relief while the

: Numbs a large part of the body, such as the lower half, via spinal or epidural injections. such as the lower half

General Anesthesia for Surgeons - StatPearls - NCBI Bookshelf