What is Anesthesia?
- No memory -
- oss of consciousness
- Loss of all senses
- immobility
- abolition of reflexes (somatic and autonomic)
Autonomic nervous system
- Controls the things that your body does unconsciously
- breathing, HR, digestive processes, etc.
Somatic nervous system
-the peripheral nervous system and central nervous system -control the musculoskeletal system
Alice Magaw
- mother of Anesthesia
- 14,000 documented anesthetic given without any anesthesia complication
Triad of General anesthesia
Continuum of anesthetic state
- General anesthesia
- deep sedation
- moderate sedation
- minimal sedation
- regional anesthesia
- local anesthesia
general anesthesia
patient is unconsious.
*inhaled vapors and IV drugs
deep sedation
pt sleeps through surgery with little memory upon waking
supplemental oxygen often given
moderate sedation
patients feel drowsy and may sleep through procedure but awaken when spoken to or touched. Memory of procedure is minimal.
minimal sedation
patients feel relaxed but may be awake. Can answer questions and follow instructions. Will have memory.
regional anesthesia
injection near a cluster of nerves will numb the area that requires surgery. Pt stays awake.
local anesthesia
anasthetic drug is usually injected into the tissue to numb the specific location requiring minor surgery.
