Awareness

Question 1

occurrence of awareness under GA

Answer 1

0.1-0.2%

Question 2

how many annual cases of awareness

Answer 2

40-80K

Question 3

cardiac awarenes

Answer 3

1.1-1.5%

Question 4

OB awarenes

Answer 4

0.4%

Question 5

trauma awarenes

Answer 5

11-43%

Question 6

nitrous-narcotic awarenes

Answer 6

2%

Question 7

awareness

Answer 7

unintended experience/consciousness
EXPLICIT recall of events

Question 8

explicit recall

Answer 8

conscious recall of memory

Question 9

implicit recall

Answer 9

changes in behaviors that are produced by previous experiences w/o conscious recollection

Question 10

awareness risk factors

Answer 10

paralyzed pt
TIVA
hemodynamic instability
OB/cardiac/trauma
increased anesthetic demand (substance abuse pts)
equipment malfunction

Question 11

pt reports what symptoms during awareness

Answer 11

auditory (30%)
sensation of paralysis (20%)
helplessness
panic (11%)
pain (21%)

Question 12

complications of awareness

Answer 12

insomnia
nightmares
anxiety
flashbacks
PTSD

Question 13

what % of awareness cases result in PTSD

Answer 13

10%

Question 14

safest mac level to avoid awareness

Answer 14

> 0.8

Question 15

awareness detection

Answer 15

incr HR
incr BP
incr PiP (subtle)
movement (if not paralyzed)
BIS

Question 16

prevention of awareness

Answer 16

versed
machine check
appropriate dosing
>0.8 MAC

Question 17

what drugs mask hemodynamics

Answer 17

beta blockers
anti-hypertensives