Sciatica Flashcards
1
Q
how does this come about?
A
if an acute disc tear occurs, the nucleus pulposis can herniate or prolapse through the tear and can impinge an exiting nerve root
2
Q
common sites
A
L4, L5 and S1
3
Q
presentation
A
- neuralgic burning or tingling pain down back of thigh and below the knee
- pain and altered sensation in dermatomal distribution
- reduced muscle power in myotomal distribution
- reflexes can be reduced
4
Q
diagnosis
A
positive sciatica stretch test (30-70 degrees)
5
Q
management
A
analgesia and neuropathic pain drugs e.g. gabapentin maintain mobility and physiotherapy occasionally surgery (beware of secondary gain) surgery (discectomy or decompression) if doesn't settle in 3 months with conservative management
