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27 Possible Causes for Aspiration Pneumonia, Compound Muscle Action Potential with Low Amplitude, Muscle Weakness

  • Guillain-Barré Syndrome

    But weakness that increases over several days is also common. Muscle weakness or loss of muscle function (paralysis) affects both sides of the body.[nlm.nih.gov] 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]

  • Dermatomyositis

    Symptoms may include: Muscle weakness, stiffness, or soreness Problems swallowing Purple color to the upper eyelids Purple-red skin rash Shortness of breath The muscle weakness[nlm.nih.gov] 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]

  • Myasthenia Gravis

    Proximal muscle weakness is more often seen than distal muscle weakness.[symptoma.com] 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

    We have identified several patients with sIBM in our cohort with muscle weakness of the flexors but not the quadriceps femoris.[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]

  • Neuropathy

    It is manifested with pain, tingling, numbness, and muscle weakness.[fpnotebook.com] 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

    Common clinical features included ptosis, ophthalmoplegia, proximal muscle weakness, pupillary abnormality, and respiratory failure.[ncbi.nlm.nih.gov] 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

    Results: in myasthenia gravis, initial weakness involved extraocular muscles in 59%, bulbar muscles in 29%, and limb muscles in 12% of the patients.[rug.nl] 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]

  • Hereditary Motor and Sensory Neuropathy

    In rare cases, individuals may have respiratory muscle weakness, HMSN is not considered a fatal disease and people with these have a normal life expectancy.[alwaysayurveda.net] 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]

  • Neuromuscular Junction Disorder

    Ptosis, extraocular muscle paresis and cranial nerve involvement is also common.[lecturio.com] 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]

  • Miller-Fisher Syndrome

    Neurological examination revealed a bilateral external ophthalmoplegia, dysphagia, dysarthria, mild shoulder girdle muscle weakness and gait ataxia, accompanied by absent[ncbi.nlm.nih.gov] The immediate cause of death was considered to be aspiration pneumonia.[academic.oup.com] CBs resolved, distal compound muscle action potential (CMAP) amplitudes increased and SNAPs normalized on subsequent testing.[ncbi.nlm.nih.gov]

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