Chapter 16 Anesthetic drugs Flashcards
what is anesthesia? what are the 4 types?
loss of feeling or sensation
1. local anesthesia
2. regional anesthesia
3. conscious sedation
4. general anesthesia
what is local anesthesia?
pain-free state in a specific area or region
topical: the surface of the skin
local infiltration: injection into tissues
what is regional anesthesia?
pain free to a larger area or region of the body
spinal anesthesia: subarachnoid space of spinal cord
conduction block: injection into or near nerve trunk
what is general anesthesia?
pain free state for the entire body
- loss of level of consciousness, loss of reflexes (gag/swallow) needs airway and breathing assistance
what is the local anesthesia drug for this unit
lidocain