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Lecture 3

NURSING 2LA2 Lecture Notes - Lecture 3: Electromyography, Scaphoid Bone, Median Nerve


Department
Nursing
Course Code
NURSING 2LA2
Professor
Ruth Hannon
Lecture
3

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Carpal Tunnel
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Lmn injury
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Innervation trapped
Atrophy and weakened
Due to nerve
Tinel's sign when you run your finger along the nerve you will get a radiating pain
Phalen's test, force flexion for 60 seconds dorsal surface of two hands together
Pain radiating into superficial cutaneous
Electromyography reveals abnormalities in the thenar muscles, stimulated, 40-60 m/sec
= conduction velocity
If less conduction velocity and longer time (latency) of stimulation = problem with
median nerve
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Splint reduces pressure (variable range of effectiveness
Steroid limited effectiveness
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