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48 Possible Causes for Compound Muscle Action Potential with Low Amplitude, Neurologic Manifestation

  • Guillain-Barré Syndrome

    Guillain-Barré syndrome (GBS), transverse myelitis, meningoencephalitis, ophthalmological manifestations, and other neurological complications have been recently associated[ncbi.nlm.nih.gov] muscle action potentials reduced amplitude with relatively preserved conduction velocity implicates axonal neuropathy delayed/absent F waves implicates nerve root involvement[step2.medbullets.com] The time between ZIKV acute symptoms and the development of neurological manifestations varied from 3 to 13 days and ZIKV was detected between 15 and 34 days after the initial[ncbi.nlm.nih.gov]

  • Neuropathy

    Ataxia is the commonest neurological manifestation, followed by peripheral neuropathy.[doi.org] Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] […] that neurologic manifestations may develop or persist, independent of gluten exposure.[doi.org]

  • Mononeuritis Multiplex

    Manifestations include encephalitis, myelitis, polyradiculopathy and, less commonly, mononeuritis multiplex (MNM).[ncbi.nlm.nih.gov] Nerve conduction study using surface electrodes showed low amplitude Compound muscle action potential (CMAP) of the right ulnar nerve with reduced conduction velocity and[neurologyindia.com] Abstract Although typhoid fever can frequently lead to such neurological manifestations as confusion, delirium, and encephalopathy, Guillain-Barré syndrome, aphasia and mononeuritis[ncbi.nlm.nih.gov]

  • Tick Paralysis

    manifestations as those presented in this report.[pediatrics.aappublications.org] Neurophysiological studies reveal low-amplitude compound muscle action potentials with normal motor conduction velocities, normal sensory studies and normal response to repetitive[ncbi.nlm.nih.gov] This case presents a rare observation demonstrating that a male tick can cause neurologic disease, and in this patient, the neurologic manifestation was severe ataxia and[nn.neurology.org]

  • Bickerstaff Brainstem Encephalitis

    manifestations of neurological dysfunction.[medworm.com] (absent R2) suggested central dysfunction, whereas results of facial nerve conduction studies (low amplitudes of compound muscle action potentials), F-wave and H-reflex studies[ncbi.nlm.nih.gov] Narita M (2009) Pathogenesis of neurologic manifestations of Mycoplasma pneumoniae infection. Pediatr Neurol 41: 159–166. View Article Google Scholar 2.[journals.plos.org]

  • Infantile Hemiplegia

    Manifestations Nervous System Diseases Signs and Symptoms[clinicaltrials.gov] , AH - abductor hallucis muscle, Ampl- amplitude, L- left, R- right Figure 1 - Reduced motor nerves compound muscle action potential and slow conduction velocity with low[smj.org.sa] A few hours later, neurological manifestations develop, which may include hemiplegia.[kundoc.com]

  • Ulnar Nerve Entrapment

    Manifesting as Isolated Muscle Weakness of the Finger Flexors Three Years after Disease Onset.[researchmap.jp] amplitudes of sensory nerve action potentials and compound muscle action potentials Treatment Nonoperative NSAIDs, activity modification, and nighttime elbow extension splinting[orthobullets.com] Hokkoku K, Matsukura K, Yamamoto J, Kuwabara M, Chiba T, Hatanaka Y, Sonoo M Journal of the neurological sciences 360 100-101 2016年1月 [査読有り] Sporadic Inclusion Body Myositis[researchmap.jp]

  • Oculomotor Apraxia

    manifestations of ataxic disorders.[books.google.ro] Nerve conduction studies showed absent median and sural sensory action potentials, and non‐recordable compound muscle action potentials (CMPAs) evoked by distal stimulation[academic.oup.com] manifestations in some individuals."[uclahealth.org]

  • Acute Pandysautonomia

    Acute dysfunction of the autonomic nervous system was first reported as severe parasympathetic and sympathetic failure without other neurologic manifestations by Young et[n.neurology.org] In cases of suspected neuromuscular transmission defect, such as with botulism or LEMS, a typical electrophysiologic pattern of low-amplitude compound muscle action potentials[ihpotblogspot.blogspot.com] These symptomsare the earliest neurological manifestations of leprosy.17 Of all cytotoxic agents, clinically evidentdysautonomia occurs most consistently with vincristine.The[japi.org]

  • Lambert Eaton Myasthenic Syndrome

    The clinical neurologic manifestations of Lambert-Eaton myasthenic syndrome are muscular weakness, sleepiness, absence of reflexes, and dysautonomia.[ncbi.nlm.nih.gov] 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] amplitude compound muscle action potential (CMAP), a decremental response to low rate stimulation, and an incremental response to high rate stimulation or after brief exercise[orpha.net]

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