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46 Possible Causes for Compound Muscle Action Potential with Low Amplitude, Nausea

  • Food-Borne Botulism

    Of the 41 botulinal toxin-positive persons, 38 (93%) had at least three of the commonly recognized pentad of signs or symptoms--nausea and vomiting, dysphagia, diplopia, dilated[ncbi.nlm.nih.gov] 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] In general, symptoms of botulism poisoning include the following: Nausea Vomiting Fatigue Dizziness Double vision Dry skin, mouth and throat Drooping eyelids Difficulty swallowing[foodborneillness.com]

  • Guillain-Barré Syndrome

    The most common adverse effects of pazopanib include diarrhea, fatigue, and nausea, but neuropathic complication has not been documented.[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] For adverse events, no significant differences were found in the incidence of nausea (risk ratio (RR) 0.50, 95% CI 0.05 to 5.04) or constipation (RR 0.14, 95% CI 0.01 to 2.54[ncbi.nlm.nih.gov]

  • Dermatomyositis

    A woman who was clinically diagnosed with dermatomyositis complained of severe pain in the right flank of the low back and abdomen, accompanied by nausea and vomiting during[ncbi.nlm.nih.gov] Low compound muscle action potentials (CMAP) amplitudes may not necessarily indicate a neuropathic process, as it may reflect muscle atrophy and fibrosis.[doi.org] Adverse effects include stomatitis, hepatic fibrosis, cirrhosis, nausea, abdominal pain, neutropenia, pruritus, fever, pneumonitis and other gastrointestinal symptoms.[aafp.org]

  • Oculomotor Apraxia

    At the age of 7 years, after an acute otitis media with mastoiditis, the girl complained about dizziness without nausea, but with clear ataxia and an oculomotor disorder ([thieme-connect.com] 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] It was also successful in achieving good control of accompanying symptoms such as dizziness, nausea, and vertigo.[ojrd.biomedcentral.com]

  • Rabies

    Army soldier with progressive right arm and shoulder pain, nausea, vomiting, ataxia, anxiety, and dysphagia was admitted to an emergency department (ED) in New York for suspected[ncbi.nlm.nih.gov] Motor nerve conduction studies showed decreased conduction with dispersion of compound muscle action potential, low amplitude with prolonged distal latency and decreased nerve[neurologyindia.com] Other nonspecific symptoms may occur, including malaise, anorexia, headaches, fever, chills, pharyngitis, nausea, emesis, diarrhea, anxiety, agitation, insomnia and depression[orpha.net]

  • Neuropathy

    […] difficulty with coordination when walking numbness or pain in your hands or feet burning sensation in feet, especially at night muscle weakness or wasting bloating or fullness nausea[healthline.com] Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] Other symptoms are erectile dysfunction, increased heart rate, constipation, nausea, vomiting, blurred vision, blindness and deafness depending on the nerves affected.[symptoma.com]

  • Alcoholic Neuropathy

    Warning signs of this advanced stage of nerve damage progression include: Disruptions in your ability to control your bladder (while trying to release or retain urine) Nausea[promises.com] Compound muscle action potentials of peroneal or median nerves were absent, of low amplitude, or accompanied by mildly reduced nerve conduction velocity in 4 patients ( Table[jamanetwork.com] […] exercise Impotence (in men) Problems urinating Incontinence (leaking urine) Feeling of incomplete bladder emptying Difficulty beginning to urinate Constipation Diarrhea Nausea[ragingalcoholic.com]

  • Acute Juvenile Hemorrhagic Cystitis

    Precautions May cause headache, nausea, and diarrhea Drug Category: Antiemetics -- Prevention and treatment of nausea and vomiting associated with chemotherapy.[www1.cgmh.org.tw] Low compound muscle action potentials (CMAP) amplitudes may not necessarily indicate a neuropathic process, as it may reflect muscle atrophy and fibrosis.[frontiersin.org] […] such as acrolein (seen with cyclophosphamide therapy) Contraindications: Hypersensitivity to mesna Pregnancy Risk: B Adverse Effects Common: Bad taste, headache, diarrhea, nausea[rheumaknowledgy.com]

  • Acute Pandysautonomia

    […] sympathetic and parasympathetic nervous systems; somatic fibres not affected; rare; usually have orthostatic hypotension, anhidrosis, cold or heat intolerance, reduced salivation, nausea[podiapaedia.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] Case report A previously healthy 24-year-old woman suffered from a short episode of nausea and vomiting after eating 6–7 mandarins.[mafiadoc.com]

  • Bickerstaff Brainstem Encephalitis

    On exam, he had right arm and leg ataxia, symmetrically hyperactive reflexes, broad-based ataxic gait, and nausea with vomiting.[neurology.org] (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] A 46-year-old previously healthy woman presented to the Emergency Department with 6 days of nausea, diarrhea, fever to 39.4  C, altered mental status, ataxia and progressive[nature.com]

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