Sedation Flashcards
1
Q
Indications for IS
A
- Anxiety
- Needle phobia
- Gagging
- Med conditions aggravated by stress
2
Q
Contraindications for IS (4)
A
- Pregnant 1st trimester
- Blocked nose
- Fear of mask (claustrophobia)
- COPD
3
Q
Safety features (7)
A
- O2 monitor
- One way expiratory valve
- Scavenging system
- Colour coding
- Pressure reducing valve
- Reservoir bag
- O2 and NiO pressure dials
4
Q
Advantages of IS (7)
A
- Rapid onset
- Rapid peak action
- Rapid recovery
- Flexible duration
- Drug not metabolised
- No amnesia
- No injection for sedation
5
Q
Disadvantages of IS (5)
A
- Equipment expensive
- Gases expensive
- Requires ability to breathe through nose
- Requires pt cooperation
- Difficult to accurately determine dose
6
Q
Signs of adequate sedation (6)
A
- Pt relaxed
- Aware
- Decreased blinking rate
- Gag reflex obtunded
- Verbal contact remains
- Mouth open on request
7
Q
Signs of over sedation (6)
A
- Mouth closed repeatedly
- Nausea/vomiting
- Irrational sluggish response
- Incoherent speech
- Uncontrollable laughter
- Decreased cooperation
8
Q
Pre-op instruction for sedation (4)
A
- Light meal
- Children accompanied
- No alcohol
- Plan to remain for up to 30mins post tx
9
Q
What is the 2,4,6 rule?
A
2 clear fluids
4 breast milk
6 solids
10
Q
Give an example of an oral pre-med for anxiety/sleep
A
Benzodiazepine
11
Q
Drug used for IS
A
Nitrous oxide
12
Q
Drug used for IV
A
Midazolam
13
Q
How to reverse over-sedation
A
Flumazenil 200ug –> 100ug increments
If allergic reaction = NO FLUMAZENIL
14
Q
Signs/symptoms of Nitrous oxide overdose
A
Lack of cooperation
Slurring speech
Vomiting
Uncontrollable laughter
Loss of consciousness
15
Q
Management of NiO overdose
A
Decrease nitrous oxide concentration by 5-10%
Do not remove nose piece - diffusion hypoxia
