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63 Possible Causes for Chronic Denervation (EMG)

Did you mean: Chronic Denervation (EMG

  • Spinal Muscular Atrophy Type 3

    Spinal musular atrophies are a group of genetic disorders distinguished by progressive degeneration of anterior horn cells in the spinal cord. Proximal weakness of the extremities that may require use of assistive devices and minimal respiratory difficulties appearing between 18 months and 30 years of age are[…][]

  • Infantile Neuroaxonal Dystrophy

    Electromyographic (EMG) signs of chronic denervation, fast rhythms on EEG and abnormal visual evoked potentials were observed in all patients during the disease course.[]

  • Vasculitis

    : Denervation Type: Acute & Chronic Distribution: Distal; Not paraspinous Serum Autoantibodies IgM vs GM1 (50%) IgM vs NS6S (45%) IgG vs GM1: Occasional patient IgM or IgG[] : Denervation, Acute or Chronic Pathology 14 Necrotizing vasculitis: Medium & small vessels; Epineurial Found in nerve in 54% Vessels involved: Epineurial; Small (Mean 90[] Slowly progressive (years) Laboratory Electrophysiology NCV Axonal Loss (Asymmetric): Small CMAPs Occasional signs of demyelination: Mild; No conduction block Sensory: Normal EMG[]

  • Bilateral Recurrent Laryngeal Nerve Paralysis

    An EMG can also help your child’s doctors see if there is a healthy nerve signal to the vocal cords or if there is chronic loss of signal (denervation).[]

  • Primary Lateral Sclerosis

    Patients with PLS demonstrated no evidence of acute or chronic denervation on EMG/NCS.[] One had leg weakness as the initial symptom, and 11 years later his EMG/NCS demonstrated acute and chronic denervation.[] Primary lateral sclerosis was diagnosed in patients only if they had no evidence of acute or chronic denervation on EMG/NCS.[]

  • Diabetic Polyneuropathy

    If axonal regeneration does keep pace with degeneration, denervation can be seen and heard during EMG. 1 In extreme cases, chronic denervation can lead to atrophy. 12,15 Also[]

  • Myelitis

    Repeat EMG/NCS was performed on 4 children a median of 8 months after onset and showed ongoing denervation and chronic reinnervation in 3 children with persistent deficits[] EMG changes correlated with persistent deficits better than imaging.[]

  • Spinal and Bulbar Muscular Atrophy

    Needle EMG revealed a chronic partial denervation with reduced interference in hand and distal leg muscles but with normal heading in all tested proximal muscles.[]

  • Dravet Syndrome

    Nerve conduction study was normal or nearly normal in all patients, but EMG showed features of chronic denervation.[]

  • Lipoma of Buttock

    Nerve conduction and EMG testing were then performed, revealing chronic denervation of the left L5-Sl nerve root.[]

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