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12 Cards in this Set
- Front
- Back
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Erb's Palsy
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-"Waiter's Tip"
-upper brachial plexus injury -can result from birth injury -results from loss of abduction of shoulder, flexion at arm, and external rotation provided by infraspinatus -arm presents as internally rotated -mostly C5-C6, some C7 |
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Avulsion of Brachial Plexus
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-pulling the plexus away from where it attaches to the spinal cord
-can result in complete loss of function in upper limb |
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Horner's syndrome
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-caused by an injury to sympathetic nerves to the face
-presents with a constricted pupil and drooping eyelid |
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What clinical presentations might you see with an injury to the posterior cord of the brachial plexus?
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-difficulty with extension of arm, hand, fingers, as well as abduction (except for first 15 degrees)
-affects radial and axillary nerves, which come off posterior cord |
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Tinel's Sign
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-tapping over a compressed nerve recreates pain/tingling
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Fromen's Sign
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-asking patient to hold a piece of paper between thumb and first finger
-if patient is able to do this, then the adductor of thumb is still ok -if patient can't do this or compensates by flexing the thumb, there is an abnormality of the ULNAR NERVE |
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EMG (electromyography)
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-shows innervation to muscles and shows deinnervation potentials in muscles and somatosensory potentials to see how sensory potentials run back up the nerve
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Phalen's Sign
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-hold fingers down towards wrist
-indicates compression of nerves -test for Carpal Tunnel Syndrome -a positive test will produce numbness or tingling when hands are held in this position for ~30 sec. |
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Wound healing via primary intention
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-sew skin shut and wound heals from skin down
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Wound healing via secondary intention
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-wound heals from bottom up
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Pseudomeningocele
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-collection of CSF forms in the soft tissue
-CSF has a rxn w/ soft tissue that causes a "rind" to form -where there's a CSF leak into the soft tissue but it remains contained in the soft tissue - |
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Meningocele
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-where dura is bowed out and CSF is in there
-a normal spinal cord but meninges are bulging out |
