Carpal Tunnel Syndrome Flashcards
1
Q
what is the carpal tunnel made up of?
A
carpal bones
flexor retinaculum
2
Q
what does the carpal tunnel contain?
A
4FDP
4FDS
FPL
median nerve
3
Q
what does the median nerve supply?
A
LOAF lumbricals I, II opponens pollicis abductor pollicis brevis flexor pollicis brevis
4
Q
causes of compression of the median nerve
A
swellings
fractures
5
Q
example of fracture that compresses the median nerve
A
Colles fracture presents with dinner fork or swan neck deformity in wrist
6
Q
factors that increase risk of carpal tunnel syndrome
A
females pregnancy DM hypothyroidism RA (synovitis causes less space)
7
Q
presentation
A
worse at night, relieved by shaking hand (foetal position when sleeping) palmar sensation spared parathesia thenar atrophy loss of sensation weakness
8
Q
diagnosis
A
Phalen’s
Tinel’s
Durkin’s
NCS (increased latency and decreased amplitude)
9
Q
management
A
splintage
steroid injections
surgery- decompression with division of the transverse carpal ligament