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17 Possible Causes for Aspiration Pneumonia, Compound Muscle Action Potential with Low Amplitude, Polymyositis

  • Dermatomyositis

    Polymyositis and dermatomyositis are uncommon systemic rheumatic disorders characterized by inflammatory and degenerative changes in the muscles (polymyositis) or in the skin[web.archive.org] 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]

  • Guillain-Barré Syndrome

    Muscle : hypokalaemia, polymyositis. Investigations Diagnosis is usually made on clinical grounds.[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] […] spastic paralysis) Neurotoxic fish poisoning (spontaneous recovery within 24 hours) Paraneoplastic neuropathy (chronic) Poliomyelitis (purely motor disorder with meningitis) Polymyositis[aafp.org]

  • Myasthenia Gravis

    TTS has not been reported in a patient with myasthenia gravis (MG) and polymyositis due to a malignant thymoma.[ncbi.nlm.nih.gov] 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]

  • Inclusion Body Myositis

    A case of inclusion body myositis masquerading as unresponsive polymyositis is presented.[ncbi.nlm.nih.gov] 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]

  • Neuromuscular Junction Disorder

    […] neuron disease Muscle disorders Muscular dystrophy Myasthenia gravis Myotonic dystrophy Neuromuscular junction disorders Neuromyotonia (Isaacs syndrome) Peripheral neuropathy Polymyositis[mayoclinic.org] 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]

  • Acquired Amyloid Myopathy

    The main inflammatory myopathies are polymyositis, dermatomyositis, and inclusion body myositis. Polymyositis Polymyositis. Lymphocytes invade a myofiber.[neuropathology-web.org] 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]

  • Neuropathy

    Because of these features, colchicine myoneuropathy is usually misdiagnosed initially, either as probable polymyositis or as uremic neuropathy.[nejm.org] 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]

  • Food-Borne Botulism

    […] illness called Guillain-Barre syndrome An electromyogram, a test of nerve and muscle function, to determine if the problem might be another muscle-weakening disease such as polymyositis[drugs.com] A higher chance of acquiring aspiration pneumonia, respiratory distress, long-lasting weakness, and nervous system problems for up to a year following the illness is common[microbewiki.kenyon.edu] Electrophysiologic tests of such patients show reduced compound muscle action potentials (CMAPs), low amplitudes and short durations of motor unit potentials (MUPs), and mild[ncbi.nlm.nih.gov]

  • Lambert Eaton Myasthenic Syndrome

    Dermatomyositis/polymyositis (DM/PM) and Lambert-Eaton myasthenic syndrome (LEMS) are two autoimmune disorders that have very rarely been reported to occur together in the[ncbi.nlm.nih.gov] 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]

  • Acute Juvenile Hemorrhagic Cystitis

    Polymyositis Polymyositis (PM) is a rare entity and an exclusionary diagnosis.[frontiersin.org] - aspiration with granulomatous bronchiolitis and lipoid pneumonia Case 278: 62 year old man with anterior mediastinal mass - atypical carcinoid tumor of thymus Case 266:[pathologyoutlines.com] […] hemoglobinuria (PNH) Parsonnage-Turner syndrome Pemphigus vulgaris Pernicious anemia Polyarteritis nodosa Type I, II & III autoimmune polyglandular syndromes Polymyalgia rheumatica Polymyositis[donnajacksonnakazawa.com]

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