Myelography Flashcards
1
Q
Used for
A
To indicate lesions undetectable on normal x-rays
2
Q
Indicated for (3)
A
Spinal pain
Neurological signs
Prolapsed intervertebral discs
3
Q
What should be done first
A
Normal x-rays
4
Q
Patient prep (4)
A
GA
Clip
Surgical scrub
Elevate head before/during/after
5
Q
Equipment (7)
A
Sterile - spinal needle - gloves - syringe - drape Sample tube Positioning aid to elevate head CM warmed to body temp - dose varies with site
6
Q
Preferred site
A
Cisterna magna
- between skull and atlas
7
Q
Cisterna magna puncture procedure (7)
A
Elevate table; 10 degree tilt Head flexed 90 degrees to spine Needle inserted, advanced slowly until CSF drips Sample taken for cytology Inject slowly over 1 min Patient immobilised throughout Head extended once needle removed
8
Q
Views to be taken (2)
A
Sequential lateral first
VD once lesion identified
9
Q
Important considerations (3)
A
Avoid ACP as losers seizure threshold
Patient must be well hydrated prior
May have acute or delayed reactions
