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14 Possible Causes for Aspiration Pneumonia, Compound Muscle Action Potential with Low Amplitude, Proximal Muscle Weakness of the Lower Extremity

  • 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] Proximal muscle weakness (upper or lower extremity and trunk) 3. Elevated serum creatine kinase or aldolase level 4. Muscle pain on grasping or spontaneous pain 5.[aafp.org]

  • 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] Patients with pneumonia should be admitted because they often are taking immunosuppressant medications and are at a high risk for aspiration pneumonia. [17] Plasmapheresis[emedicine.medscape.com]

  • 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] muscle weakness of the lower extremities.[emedicine.medscape.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] Inclusion body myositis features a slowly progressive inflammatory myopathy characterized by progressive proximal muscle weakness in the lower extremities, followed by proximal[ncbi.nlm.nih.gov]

  • 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] The most common initial complaint is proximal muscle weakness involving the lower extremities more than the upper extremities.[ncbi.nlm.nih.gov]

  • Hereditary Motor and Sensory Neuropathy

    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] Proximal muscle weakness is a late manifestation and is usually mild. Axial muscles are not involved.[clinicalgate.com]

  • Miller-Fisher Syndrome

    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] muscle weakness of the lower extremities.[emedicine.medscape.com]

  • 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] The disease initially paralyses distal muscles of the lower extremities, and progresses to cause muscle weakness and atrophy in the hands and proximal leg muscles.[nature.com]

  • Acute Juvenile Hemorrhagic Cystitis

    A high percentage of patients with IBM are affected ( 133 ), which leads to the risk for malnutrition and aspiration pneumonia.[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] Low compound muscle action potentials (CMAP) amplitudes may not necessarily indicate a neuropathic process, as it may reflect muscle atrophy and fibrosis.[frontiersin.org]

  • Autosomal Dominant Hereditary Sensory and Autonomic 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[ojrd.biomedcentral.com] Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] […] a claw hand.  Proximal muscle weakness is a late manifestation and is usually mild.  Axial muscles are not involved 11.  Autonomic manifestations may be expressed as poor[slideshare.net]

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