hands + wrists Flashcards
what is cubital tunnel syndrome
compression of Ulnar nerve as it passes through cUBital tunnel at elBow (osborne’s fascia)
symptoms cubital tunnel
tingling + numbness over 4th + 5th // weakness + muscle wasting in abduction of fingers // claw hand
examinations for cubital tunnel
tinel - percuss nerve imitates feeling // froment’s test (flexion if DIP in thumb)
RF cubital tunnel
OA or trauma
invx cubital tunnel
maybe nerve conduction
mx cubital tunnel
rest, physio, steroid injection, surgery
what ligament is in the carpal tunnel
flexor retinaculum
symptoms carpal tunnel
pain or tingling in thumb, index, middle fingers // wasting of thenar muscles // weakness thumb abduction
examination carpal tunnel
tinel test // phalens: flex wrist
causes carpal tunnel
pregnancy, oedema (HF), RA, women
invx carpal tunnel
motor + sensory nerve conduction –> prolonged AP
mx carpal tunnel (mild –> severe)
6 weeks conservative treatment –> splint + steroid injection –> surgical flexor retinaculum division
where do ganglion cysts usually form
dorsum of wrist
symptoms ganglion cyst
firm, well circumscribed, transilluminates
what is dupuytrens contracture
hypertrophy of palmar fascia –> contracted 4th + 5th finger
causes dupuytrens contracture
alcohol, phenytion, labour, DM, men
when is surgery for dupuytrens contracture indicated
joints cannot be straightened and hand cannot be laid flat
surgery for dupuytrens contracture
fasciotomy
what is trigger finger
abnormal flexion of digits // enlargement of fascia so it catches in pulley
assoc trigger finger
women, RA, DM
symptoms trigger finger
common in thumb, middle, or ring, stiffness, snapping when extending flexed digit // nodule
mx trigger finger
steroid –> surgery
what is DeQuervians + symptoms
inflammation of tendons that move the thumb // pain radial wrist + over radial styloid // abduction thumb sore // Finkelstein’s test +ive
mx DeQuervains
NSAIDs, splint, steroid injection, surgery
