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Clinical Neuro - 5

Peripheral nerves UE

QuestionAnswer
Result of avulsion of C5 & C6 nerve roots? Erb-Duchenne-type paralysis
Result of avulsion of C8 & T1 nerve roots? Klumpke paralysis
Mechanism of injury in Erb-Duchenne-type paralysis? Usually result of trauma to the shoulder tip in motorcycle accidents, or pulling too hard on infants head when shoulder is stuck during delivery
Mechanism of injury in Klumpke paralysis? Tends to occur when pt attempts to break a fall by grabbing something, or when arm is trapped in a moving machine
Most likely level of root lesions in cervical spondylosis? C5, C6
Classic neurological condition that was originally recognized as a sequel to immunization procedures involving injection into the deltoid muscle? Brachial Neuritis (serum neuritis, neuralgic amyotrophy); Usually believed to be inflammatory process to roots, not from direct trauma; consistently involves serratus anterior (scap winging)
A lesion of what nerve should be suspected when pincer movement of the index finger and thumb is lost? Anterior Interosseus Nerve ( a branch of the median nerve - C7)
What nerve lesion is suspected with winging of the scapula during arm elevation or pushing forward? Long thoracic nerve (C5, C6, C7)
What are the 4 major presentations of carpal tunnel syndrome? Sensory; Motor; Autonomic, and Classic (which includes elements from all of the above)
A lesion of what nerve should be suspected when there is significant weakness of the wrist extensors, and particularly of the index finger and thumb? Posterior Interosseus Nerve ( a branch of the radial nerve)
What movements would be compromised in a supinator compression syndrome? wrist extension is weak with radial deviation due to weakness of extensor carpi ulnaris
Name the 3 main causes/types of radial nerve lesions? Crutch palsy (axilla); triceps involved. Saturday night palsy / humerus fracture (spiral groove) wrist drop; Supinator (affects posterior interosseus nerve - thumb extensors, index finger extensors weak)
What nerve lesion may be involved with repeated trauma to the heel of the hand? Deep branch of the Ulnar nerve (purely motor)
Anterior interosseus nerve lesion is also known as _______ - _______ syndrome? Kiloh-Nevin
Created by: jasonsmithdc