Term
| Disease of the nervous system w/ disturbance in the fxn of a nerve or group of nerves. |
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Definition
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Term
| In motor neuron dz the lesion affects the ____ _____. An ex. is _____. |
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Definition
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Term
| IN radiculopathy, the lesions affect the ___ ___. |
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Definition
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Term
| There are structural causes of radiculopathy, such as ____, and metabolic causes, such as ____. |
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Definition
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Term
| Common causes of plexopathies include ___, ___, and ____. |
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Definition
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Term
| Polyneuropathies are lesions affecting the ___ ___. |
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Definition
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Term
| Neuromuscular junction d/o are weakness of ___ ___, such as ____ _____. |
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Definition
| Proximal musculature. Myasthenia gravis. |
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Term
| What is the difference b/t negative phenomena and positive phenomena in peripheral neuropathies? |
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Definition
| Negative - loss of sensation, and positive - disturbing sensation. |
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Term
| Name 2 types of negative phenomena. |
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Definition
| Lg. myelinated fibers (loss of touch and joint position perception) and sm. myelinated fibers (loss of pain and temperature) |
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Term
| Name 2 types of positive phenomena. |
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Definition
| Lg. myelinated fibers (pins and needles sensation) and sm. myelinated (burning sensation) |
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Term
| Name 3 common sx of peripheral neuropathies. |
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Definition
| Muscle wasting, weakness, and dec. reflexes. |
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Term
| Bell's paly is a lower motor weakness of ___ ___. |
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Definition
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Term
| What is the etiology of Bell's palsy? |
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Definition
| Idiopathic (Prob. HSV, HZV, EBV, or CMV) |
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Term
| Name 3 conditions/ethnicities that Bell's palsy is common in? |
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Definition
| 1)Pregnancy 2)DM 3)Hispanics |
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Term
| What is the chief clinical finding in Bell's palsy? |
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Definition
| Weakness of facial mus. including the forehead |
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Term
| What is the tx of Bell's palsy? |
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Definition
| Usually self-limiting, majority w/i several days to 3-6mths |
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Term
| Name 4 factors that are associated w/ poor outcome of Bell's palsy. |
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Definition
| 1)complete lesions 2)HTN 3)DM 4)Elderly |
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Term
| What is the MC cause of neuropathy in the US? |
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Definition
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Term
| Polyneuropathy involves ____ weakness and ____ loss. |
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Definition
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Term
| What are the 2 forms of sensory polyneuropathy? |
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Definition
| Lg fibers (ataxia) and sm. fibers (parasthesia) |
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Term
| Describe sx that occur in autonomic diabetic neuropathy. |
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Definition
| Pupil abn, loss of sweating, orthostatic hypotension, tachycardia, gastroparesis, diarrhea, hypotonic dilated bladder, and impotence. |
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Term
| Describe sx of asymmetrical neuropathy - diabetic amyotrophy. |
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Definition
| Severe pain/weakness rapidly dev., atrophy/weakness of quads and iliopsoas, and loss of knee jerk. |
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Term
| Describe sx of aymmetrical neuropathy - cranial nerve palsy. |
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Definition
| Oculomotor (CN III) palsy - begins w/ pain behind eye, followed by ptosis and EOM paralysis w/i 24hrs |
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Term
| What meds are used to tx neuropathic pain in diabetic neuropathy? |
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Definition
| Carbamazepine or gabapentin (Neurontin) |
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Term
| Nutritional polyneuropathy is a deficiency of what 2 vitamins? |
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Definition
| B1 (Thiamine) and B12 (cyanocobalamin) |
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Term
| What is the najor cause of nutritional polyneuropathy in western countries? |
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Definition
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Term
| What are sx of nutritional polyneuropathies? |
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Definition
| Progressive distal weakness and sensory loss (stocking-glove) involving LE initially |
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Term
| Name 3 autonomic c/o in nutritional polyneuropathy. |
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Definition
| Impotence, dizziness (orthostatic hypotension), and disordered sweating |
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Term
| Name 3 associated signs of nutritional polyneuropathy. |
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Definition
| Shiny skin on legs/poor hair growth, hyperpathic painful soles of feet, and liver failure |
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Term
| Severe paroxysm of stabbing or burning pain persisting beyond 4 mths from initial onset of lesions. |
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Definition
| Postherpetic neuralgia (PHN) |
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