Peripheral neuropathies Flashcards
List four examples of peripheral neuropathies
Bell's palsy GBS Charcot marie tooth syndrome Carpal tunnel syndrome Ulnar nerve palsy Peroneal nerve palsy
What are the symptoms of peroneal palsy?
foot drop- can’t walk on heels
Which spinal nerves form the common peroneal nerve?
L4-S1
What are the features of ulnar palsy?
ulnar claw/sign of benediction
parasthesia
Which tests are positive in carpal tunnel syndrome?
tinel’s and phalen’s
Which nerve is damaged in carpal tunnel syndrome?
median nerve
List two causes of sensory neuropathy
alcohol
B12
DM
Every vasculitis!!!
List two causes of motor neuropathy
GBS
lead poisoning
paraneoplastic
Two causes of autonomic neuropathy?
DM
HIV
SLE
GBS
List three features of autonomic neuropathy
Postural hypotension ED, ejaculatory failure ↓ sweating Constipation / Nocturnal diarrhoea Urinary retention Horner’s
List two classic motor signs in charcot marie tooth?
symmetrical muscle atrophy
- champagne bottle- peronal muscles
- hand and arm- claw hand
Which nerve is predominantly affected in charcot marie tooth?
peroneal nerve
What are the types of peripheral neuropathies?
motor, sensor, autonomic
What is the clinical presentation of large sensory nerve fibres?
sensory ataxia, loss of vibration sense, numbness tingling
Clinical presention for small sensory fibres?
impaired pin prick, temp, painful burning, numbness and tingling