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25 Possible Causes for Aspiration Pneumonia, Compound Muscle Action Potential with Low Amplitude, Myopathy

  • Dermatomyositis

    Pulmonary manifestations range from aspiration pneumonia to interstitial lung disease (ILD), sometimes with complications such as pulmonary arterial hypertension (see these[orpha.net] Low compound muscle action potentials (CMAP) amplitudes may not necessarily indicate a neuropathic process, as it may reflect muscle atrophy and fibrosis.[doi.org] Classification of the Autoimmune Myopathies. View Table Favorite Table Download (.pdf) Table 27–1. Classification of the Autoimmune Myopathies.[accessmedicine.mhmedical.com]

  • Inclusion Body Myositis

    The incidence of dysphagia, rate of aspirations, rate of aspiration pneumonias and treatment results of dysphagia were analyzed.[ncbi.nlm.nih.gov] However, the low compound muscle action potential amplitudes could be explained by the loss of excitable muscle tissue that occurs in myopathies.[jamanetwork.com] The comorbidity of inclusion body myositis and sarcoid myopathy is rare.[ncbi.nlm.nih.gov]

  • Myasthenia Gravis

    Complications Aspiration pneumonia due to throat muscle weakness. Acute respiratory failure during an exacerbation.[patient.info] Distinguishing features of the RNS test in LEMS and MG are confirmed in this direct comparison study: the low compound muscle action potential amplitude, decrement at LRS,[ncbi.nlm.nih.gov] We review the relevant literature and discuss the hypothesis of a mitochondrial myopathy as a pathogenic mechanism in MuSK-antibody positive myasthenia gravis.[ncbi.nlm.nih.gov]

  • Neuromuscular Junction Disorder

    Aspiration pneumonia is clearly an undesirable outcome in someone with already compromised respiratory function.[jnnp.bmj.com] EMNG showed signs of myopathy and low compound muscle action potential (CMAP) amplitude (0,15 mV) on lower extremities. Muscle and nerve biopsy were normal.[neurology.org] In rare myopathies (with involvement of the levator muscle of upper eyelid), ptosis is usually an isolated ocular sign, and bilateral in congenital myopathies, glycogen storage[atlasofscience.org]

  • Lambert Eaton Myasthenic Syndrome

    Approximately 2 months after the operation, he had aspiration pneumonia with respiratory failure.[jmedicalcasereports.biomedcentral.com] Distinguishing features of the RNS test in LEMS and MG are confirmed in this direct comparison study: the low compound muscle action potential amplitude, decrement at LRS,[ncbi.nlm.nih.gov] Lambert-Eaton myasthenic syndrome (LEMS) is a rare condition, which may mimic myopathy.[ncbi.nlm.nih.gov]

  • Guillain-Barré Syndrome

    Thromboembolism, pneumonia, skin breakdown. Cardiac arrhythmia. Ileus. Aspiration pneumonia. Urinary retention. Psychiatric problems - eg, depression, anxiety.[patient.info] muscle action potentials reduced amplitude with relatively preserved conduction velocity implicates axonal neuropathy delayed/absent F waves implicates nerve root involvement[step2.medbullets.com] Neuromuscular Disorders How We Treat Neuromuscular Disorders ALS (Lou Gehrig's Disease) Guillain-Barré Syndrome Myasthenia Gravis Myopathy Neuropathy Guillain-Barré syndrome[nyp.org]

  • Acquired Amyloid Myopathy

    Complications such as aspiration pneumonia become rather eminent. Several of these patients should be counseled regarding the insertion of a gastric feeding tube.[nature.com] Low compound muscle action potentials (CMAP) amplitudes may not necessarily indicate a neuropathic process, as it may reflect muscle atrophy and fibrosis.[journal.frontiersin.org] Acquired myopathies can be subclassified as inflammatory myopathies, toxic myopathies, and myopathies associated with systemic conditions.[clevelandclinicmeded.com]

  • Congenital Merosin-Positive Muscular Dystrophy

    Aspiration pneumonia and/or respiratory insufficiency may require assisted cough devices, supplemental oxygen, noninvasive ventilation, and/or mechanical ventilation via tracheostomy[ncbi.nlm.nih.gov] Myopathic findings include low amplitude compound muscle action potentials (CMAPs) and small polyphasic motor unit potentials that are rapidly recruited.[mafiadoc.com] Congenital myopathy Congenital myopathy usually affects individuals most often in the perinatal period.[healthery.com]

  • Neuropathy

    Compounding the problem of aspiration pneumonias and chronic lung disease is the presence of relative insensitivity to hypoxemia [ 23 - 26 ], which limits ability to cope[ncbi.nlm.nih.gov] Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] Electromyography of proximal muscles shows a myopathy that is marked by abnormal spontaneous activity.[nejm.org]

  • Distal Hereditary Motor Neuropathy Type 1

    Laryngeal dysfunction with aspiration pneumonia.[patient.info] Compound muscle action potentials are either absent or low amplitude with motor conduction velocities ranging from 3 to 10 meters per second.[academlib.com] […] addresses the complete range of specific neuromuscular diseases: neuronopathies, peripheral neuropathies, neuromuscular junction disorders, muscle ion channel disorders, myopathies[books.google.de]

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