Anesthesia stages
Stages of anesthesia depth
Outline for depths of anesthesia.
- Stage I
- voluntary movement lasts until loss of consciousness
- Stage II
- delirium
- involuntary movement
- loss of consiousness
- onset of regular patterned breathing
- Stage III surgical anesthesia
- unconsciousness
- progressive depression of cardiopulmonary functions
- depression of reflexes
- 4 planes. 1 light, 2,3 medium, 4 deep anesthesia
- Stage IV
- extreme CNS depression
- death occurs quickly at this stage