Quiz 6 (Spinals and Epidurals) Flashcards
1
Q
look at slide 9
A
.
2
Q
Factors effecting Spinals
Uptake and Spread from Subarachnoid space
- Concentration of LA in CSF
- Surface area of nerve tissue exposed
- Lipid content of nerve tissue
- Blood flow to nerve tissue
Distribution
- Baricity
- Position
- Dose
A
.
3
Q
factors effecting spinal level
A
- Baricity
- Position
- Dose
- Site of injection
- Age?
- Speed of injection
- Volume
- Concentration
4
Q
view slide 14
A
.
5
Q
not currently approved for FDA spinal
A
2-chloroprocaine
6
Q
first sign of cardiovascular collapse
A
bradycardia
7
Q
absolute contraindications to epidurals
A
patient refusal, uncorrected hypovolemia, increased ICP, infection at site
8
Q
Epidurals: can use adult levels after age ___
A
8
9
Q
Vasomotor tone controlled by ____
A
T5-L1
10
Q
biggest factor effecting epidural coverage
A
Volume
11
Q
______ gets more spread cephalad than caudal
A
Lumbar
12
Q
Factors Affecting Epidural Coverage
A
- Position - Not considered a factor
- Age
- –Increased age = decreased dose
- –Smaller intervertebral foramen?
- Height
- –<5’2” use 1mL per level
- –>5’2” increase by 0.1mL for each 2 inches
- Other
- Pregnancy and Obesity
- Decreased dose
- Epidural vein engorgement and increased adipose tissue
13
Q
NEVER WITHDRAW epidural CATHETER THROUGH NEEDLE
A
.
14
Q
view slide 41
A
.
15
Q
other complications: subdural injection
A
Delayed response 10-15 minutes
Get ready for High spinal
