2025/2026
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, general
anesthesia type:
appropriate muscle
relaxation, sedation,
amnesia, and analgesia
are obtained
monitored anesthesia care (MAC)
anesthesia type: relaxed,
non paralyzed state of
analgesia and sedation
regional
anesthesia type:
application of an
anesthetic agent to
produce loss of sensation
and movement in a part of
the body
ASA 1
ASA status: normal,
healthy patient
ASA 2
ASA status: mild, systemic
disease (e.g., chronic
bronchitis, mod obesity,
DM2, mild HTN, old MI)
ASA 3
ASA status: severe
systemic disease that
limits activity but is not
incapacitating (e.g., CAD
with angina)
ASA 4
ASA status: incapacitating
systemic diseaes that is a
constant threat to life
(e.g., organic heart
disease with marked
cardiac insufficiency,
persistent angina,
intractable dysrhytmias,
advanced pulm, renal
hepatic or endocrine
insufficiency)
, ASA 5
ASA status: patient is not
expected to survive 24 hrs
with or without surgery
ASA 6
ASA status: patient meets
brain death criteria and is
an organ donor
"E"
ASA status: an emergency
patient with unknown
history
stage 1
stage of anesthesia:
conscious but drowsy and
rational
follows simple commands
perception of pain is
diminished
reflexes intact
stage of anesthesia: stage 1
analgesia/sedation stage
stage of anesthesia: stage 2
delirium/excitation stage
stage 2
stage of anesthesia:
lose consciousness
body responds reflexively
to pain
breath holding, pupils
dilated, respirations
irregular
muscle tone intact
stage of anesthesia: stage 3
surgical anesthesia