: Numbs a large part of the body, such as the lower half, via spinal or epidural injections.
Anesthesia is a controlled medical state characterized by the temporary loss of sensation or awareness, induced primarily to facilitate painless surgical or diagnostic procedures. It is distinct from sleep in that the anesthetized brain does not respond to pain signals or normal reflexes. Modern practice focuses on the "6 A's": anxiolysis, areflexia, autonomic areflexia, analgesia, amnesia, and anesthesia. Types of Anesthesia aesthesia
The specific technique used depends on the procedure and patient health: : Numbs a large part of the body,
: Numbs a small, specific area for minor procedures by blocking voltage-gated sodium channels in nerve fibers. such as the lower half
General Anesthesia for Surgeons - StatPearls - NCBI Bookshelf