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146 Possible Causes for EMG Shows Myopathy

  • Hyaline Body Myopathy

    OBJECTIVE: To identify the gene and specific mutation underlying hyaline body myopathy in the family studied. METHODS: A microsatellite-based whole genome scan was performed. Linkage analysis assumed autosomal dominant inheritance and equal allele frequencies. A candidate gene approach within the linked interval and[…][]

  • Chronic Alcoholism

    The ECG pattern was consistent with a diagnosis of low potassium content in serum, and the EMG pattern was consistent with a diagnosis of myopathy.[] The repeated muscle biopsies showed that vacuolation, hyaline degeneration and significant phagocyte infiltration were observed in the muscle on the 9th day after the onset[]

  • Polyneuropathy

    Many tests may help show muscles are damaged (EMG, muscle enzymes) but only biopsy and chromosomal analysis are likely to show the specific etiology. 21-10.[] Reflexes are preserved until very late in myopathy. 21-9. What additional test would point to myopathy as a cause of weakness? Answer 21-9.[]

  • Polyarthritis

    EMG revealed no evidence of a generalized myopathy. Rheumatology was consulted.[] Hand x‐rays did not show any erosions. MRI cervical spine revealed mild spondylosis with normal cord morphology.[]

  • Demyelinating Disease

    Electromyography (EMG) may show features characteristic of alcoholic myopathy or neuropathy.[] In chronic alcoholic myopathy, serum creatine kinase often is normal, and muscle biopsy shows atrophy, or loss of muscle fibers.[]

  • Chronic Kidney Disease

    Electromyography (EMG) and nerve conduction velocity (NCV) showed abnormal spontaneous activities (ASA), suggesting myopathy, not nerve damage.[]

  • Duchenne Muscular Dystrophy

    MRI, EMG and NCV were compatible with proximal muscle myopathy.[] Muscle biopsy on vastus lateralis showed suspicious perifascicular atrophy and infiltration of mono-macrophage lineage cells complicating the diagnosis.[]

  • Autoimmune Necrotizing Myopathy

    An electromyogram (EMG) showed an acute noninflammatory myopathy. Prednisone 60mg daily was started to treat immune mediated necrotizing myopathy (IMNM).[] Electromyography (EMG) shows myopathic findings.[] With IMNM, the EMG may show an irritable myopathy pattern as with other inflammatory myopathies.[]

  • Pulmonary Fibrosis

    , low TLC, decreased DLCO, poor lung compliance Neuromuscular Myasthenia gravis, ALS f, myopathy Physical examination, EMGs g, serology Low RV, low TLC, low NIF h, low MMV[] Interstitial Interstitial lung disease including IPF c, NSIP d, COP e Radiography, CT scanning, physical examination, echo often shows pulmonary hypertension Low RV, low FVC[]

  • Oculo-Pharyngo-Distal Myopathy

    EMG showed myotonic discharges in oculopharyngodistal myopathy.[] EMG usually indicates a myopathic pattern. The muscle biopsy shows nonspecific features of a myopathy.[] […] in s-IBM may show neurogenic changes (ie, enlarged MUAPs), but these changes are relatively minor compared with predominance of smaller MUAPs, suggesting myopathy; fasciculation[]

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