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Stack #24939

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Differential Dx
Findings
UMN Signs   Spasticity, Hyper-reflexia, Clonus, Babinski Sign  
🗑
LMN Signs   Less Muscle Tone, Atrophy, hypo-reflexia, Areflexia, Fasciculations  
🗑
Extra- and Intramedullary Spinal Cord Problems, or Intracranial   Just UMN  
🗑
Epidural hematoma, abscess, or metastasis; herniated disc, osteophytic ridge, dural tumor   Extramedullary S.C.  
🗑
myelitis, myelopathy, tumor, trauma, vascular, degen, congen,   Intramedullary S.C.  
🗑
Neurological, Muscular, Vascular, other systemic   Muscle Weakness  
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ALS, B12 defic, Friedreich's ataxia, tabes dorsalis, conus lesions   Both UMN & LMN  
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Peripheral Neuropathy, Anterior horn problems, cauda equina, radiculopathy, plexopathy   Just LMN  
🗑
Anterior Horn   spinal muscular atrophy, poliovirus  
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Cauda Equina   herniated disc, spinal stenosis, herpes simplex 2, tumor  
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radiculopathy   herniated disc, herpes zoster/varicella, diabetes, tumor  
🗑
plexopathy   tumor, radiation, diabetes, trauma  
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Myastenia gravis, eaton-lambert synd, botulism, drugs, myopathies, dystrophies   Neither UMN/LMN  
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hyper/hypothyroid, poly- or dermatomyositis, steroids   Acquired (creatine kinase test, thyroid studies, EMG, and biopsy)  
🗑
Duchenne, Becker MD   X-linked myopathies  
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Myotonic, fascioscapulo, oculopharyngeal MDs, or congen myopathy   Autosomal Dominant myopathies  
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Limb Girdle MD, Glycogen Disorders, lipid disorders   Autosomal recessive myopathies  
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Mitochondrial myopathies   Maternal inherited myopathies  
🗑


   

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Created by: marnold
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