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11 Possible Causes for Arsenic Poisoning, Compound Muscle Action Potential with Low Amplitude

  • Guillain-Barré Syndrome

    muscle action potentials reduced amplitude with relatively preserved conduction velocity implicates axonal neuropathy delayed/absent F waves implicates nerve root involvement[step2.medbullets.com] Heavy metal poisoning may be caused by substances such as lead, mercury, and arsenic. Your doctor will ask questions about specific symptoms and your medical history.[healthline.com] […] lymphocytic predominance) occurs in the late first week other CSF serologies typically normal Nerve conduction studies slowed conduction velocity reduced amplitude in compound[step2.medbullets.com]

  • Neuropathy

    Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] Lead, mercury and arsenic are well-known heavy metal poisons whose effects include nerve damage.[news-medical.net] Toxins and poisons can damage nerves. Examples include gold compounds, lead, arsenic, mercury, some industrial solvents, nitrous oxide, and organophosphate pesticides.[emedicinehealth.com]

  • Distal Hereditary Motor Neuropathy Type 1

    Compound muscle action potentials are either absent or low amplitude with motor conduction velocities ranging from 3 to 10 meters per second.[academlib.com] Pale transverse bands in the nail beds, parallel to the lunula (Mees' lines), suggest arsenic poisoning.[aafp.org] Diagnostically, these infants have absent SNAPs or low amplitude SNAPs with prolonged distal latencies.[academlib.com]

  • Hereditary Motor and Sensory Neuropathy

    Compound muscle action potentials are either absent or low amplitude with motor conduction velocities ranging from 3 to 10 meters per second.[academlib.com] ( lead, arsenic, thallium ) Solvents (e.g., trichloroethylene ) Medication (e.g., chemotherapeutic agents ) Malnutrition /intestinal malabsorption Inflammatory Vasculitis[amboss.com] Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com]

  • Acute Pandysautonomia

    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] Pale transverse bands in the nail beds, parallel to the lunula (Mees' lines), suggest arsenic poisoning.[aafp.org] CURLED HAIR GIANT AXONAL NEURPATHY ALOPECIA THALLIUM POISONING MEE’S LINES ARSENIC/THALLIUM INTOXICATION ICTHYOSIS REFSUM’S DISEASE 14.[slideshare.net]

  • Alcoholic Neuropathy

    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] Exposure to poisons or toxins: This includes those that contain heavy metals or chemicals, lead, mercury, and arsenic.[mollysfund.org] The distal latency of a very low compound muscle action potential of 1 peroneal nerve could have been suggestive of some degree of demyelination only in patient 2.[jamanetwork.com]

  • Familial Progressive Polyneuropathy

    Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] Pale transverse bands in the nail beds, parallel to the lunula (Mees' lines), suggest arsenic poisoning.[aafp.org] Acute arsenic neuropathy: This type of poisoning occurs either acute or chronic (smelting workers).[neuroweb.us]

  • Mononeuritis Multiplex

    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] […] or thallium poisoning Mononeuritis multiplex Acute Diabetes mellitus Polyarteritis nodosum Connective tissue diseases, e.g.[lifeinthefastlane.com] ( lead, arsenic, thallium ) Solvents (e.g., trichloroethylene ) Medication (e.g., chemotherapeutic agents ) Malnutrition /intestinal malabsorption Inflammatory Vasculitis[amboss.com]

  • Delayed Motor Nerve Conduction Velocity

    However, ALS patients commonly show abnormally low compound muscle action potential (CMAP) amplitudes, meaning the combined level of signal produced by the muscle fibers supplied[alsnewstoday.com] Exclusion Criteria Patients with sign and symptoms pertaining to heavy metal poisoning (Arsenic, LEAD). Metabolic abnormality (Diabetes Mellitus, Uraemia).[jemds.com] Patients with ALS tend to show mostly normal results , especially for sensory nerves, though abnormal results can lead to a different diagnosis than ALS such as a myopathy, or muscle[alsnewstoday.com]

  • Distal Hereditary Motor Neuropathy Type 2

    Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials.[merckmanuals.com] Pale transverse bands in the nail beds, parallel to the lunula (Mees' lines), suggest arsenic poisoning.[aafp.org]

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