neuro upper limb Flashcards
wrist drop?
Ix?
Mx?
differential
radial nerve injury -
Ix
fbc - wcc, crp for any inflammatory markers GBS
imaging
Xray to ensure
fall asleep by back of arm compressed - compression of nerve
or injury on basis of fracture of humeral shaft
radial nerve injury
how does it present on examination
wrist drop
extension of forearm impacted
extension of fingers and wrist also impacted
Mx radial nerve injury
brace
cockup splint
therapy
emg and nerve studies
extensory digitorum
MCP - 2-5
flexor digitroum profundus
digitorum superficialis
what muscles aid in abducting and adducting the fingers?
lumbricals and interossei
median nerve
flexor digitorum suoerficialis
radial 1/2 flexor digitorum profundus
1/2nd lumbricals
thenar eminence - moves thumb
Ulnar nerve
ulnar 1/2 flexor digitorum profundus
3/4 lumbricals
interosseous muscles
adductor pollicis
Radial
extensor digitorum
claw hand?
injury to ulnar nerve
all interosseus muscle loss - so no abduction/adduction
ape hand and sign of benedicton
high median nerve when attempt to form a fist
ative attempt to flex digits only pinky and ring finger are flexed
which nerve is associated with carpal tunnel?
median nerve
carpal tunnel syndrome
cause?
features
idiopathic
tingling and pain lateral arm / hand
waking up from sleep/worse in morning
tinels sign
tapping nerve in carpal tunnel to elicit pain
hold the wrist in flexion for 60s to elicit pain ?
phalens manouvre
mx of carpal tunnel?
splint
steroid injection
surgical decompression