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1,996 Possible Causes for Muscle Twitch, Normal Compound Motor Action Potentials, Onset of Dysarthria in Third Decade of Life

  • Autosomal Dominant Sensory Ataxia

    The episodes are triggered by stress, being startled, or sudden movement and are often associated with muscle twitching.[disabled-world.com] […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] Tremor, sensory loss, twitches of facial muscles, and slowness and stiffness similar to that seen in Parkinson’s disease have been observed in SCA-14.[ataxiacenter.umn.edu]

  • Epilepsy

    Electromyography (EMG) showed slowed motor and sensory nerve conduction velocities and distal motor latency delay accompanied by normal compound motor action potential (CMAP[ncbi.nlm.nih.gov] These seizures produce muscle twitches, convulsions and loss of consciousness. People with this type of epilepsy do not remember having a seizure.[faculty.washington.edu] Others may consist only of a few muscle twitches, a turn of the head, or a strange smell or visual disturbance that only you sense.[northshore.org]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Spinal and Bulbar Muscular Atrophy

    Initial nerve conduction studies showed statistical difference from normal controls, especially decreased amplitudes of compound motor action potential (CMAP) and sensory[ncbi.nlm.nih.gov] Early symptoms include tremor of the outstretched hands, muscle cramps with exertion, and fasciculations (fleeting muscle twitches visible under the skin).[ninds.nih.gov] Motor nerve conduction velocities were normal with reduced compound muscle action potential amplitudes of hand and foot muscles.[ncbi.nlm.nih.gov]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Upper Motor Neuron Disease

    Neurophysiological findings in the majority of LMN syndromes consist of axonal loss with a reduction in compound muscle action potential amplitudes with normal or slightly[jnnp.bmj.com] Lower motor neuron disease causes weakness, loss of muscle ("atrophy") and muscle twitching ("fasciculations").[neurology.emory.edu] […] wasting and weakness, absent reflexes, loss of weight and muscle twitching.[mndnsw.asn.au]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Motor Neuron Disease

    It can show a low compound muscle action potential (CMAP), which results from the loss of motor neurons, but the sensory neurons should remain unaffected.[en.wikipedia.org] A 69-year-old man with long-standing depression and failing memory presented with muscle twitches of 8 months' duration.[ncbi.nlm.nih.gov] […] wasting and weakness, absent reflexes, loss of weight and muscle twitching.[mndnsw.asn.au]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Amyotrophic Lateral Sclerosis

    […] sensory nerve conduction studies and abnormal motor nerve conduction studies, with reduced motor compound muscle action potentials.[emedicine.medscape.com] twitching for 3 years.[ncbi.nlm.nih.gov] […] signs of muscle weakness in your mouth and tongue Muscle twitches Muscles that have shrunk in size, have unusual reflexes, or are tight and rigid Emotional changes such has[webmd.com]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Multifocal Motor Neuropathy

    Routine sensory nerve conduction studies, ascending compound nerve action potentials, and somatosensory evoked potentials were all normal even through nerve segments in which[doi.org] Usually, the arms and hands are affected first and symptoms include muscle weakness, cramps and uncontrollable twitching.[medic8.com] Symptoms[edit] Usually beginning in one or both hands, MMN is characterized by weakness, muscle atrophy, cramping, and often profuse fasciculations (muscle twitching).[en.wikipedia.org]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Adult Spinal Muscular Atrophy

    Sensory signals are usually normal in adult spinal muscular atrophy. Tests involving compound motor action potential may also be performed for diagnosis.[symptoma.com] The disorder slowly progressed to include cramps and muscle twitches.[ncbi.nlm.nih.gov] […] may include: Tremor of the hands Muscle cramps when performing physical activities Muscle twitches and weakness of limb muscles As the condition progresses: Weakness of the[thehumanthebody.com]

    Missing: Onset of Dysarthria in Third Decade of Life
  • Hallervorden-Spatz Syndrome

    They may experience involuntary muscle contractions (dystonia) of the head and neck, resulting in repetitive movements and contortions.[ghr.nlm.nih.gov] Clinical features Dystonia Dysarthria Spasticity Choreoathetosis Parkinsonism Hyperreflexia Extensor toe signs Onset in first to third decade of life Gait change / loss of[ncbi.nlm.nih.gov] Other involuntary movements may also occur, such as rhythmic shaking (tremors), jerking movements (chorea), eyelid twitching (blepharospasm), and grimacing.[ghr.nlm.nih.gov]

    Missing: Normal Compound Motor Action Potentials
  • Subacute Transverse Myelitis

    Compound action potentials (cMAPs) and nerve motor conduction velocity were within normal limits on day 2.[frontiersin.org]

    Missing: Onset of Dysarthria in Third Decade of Life

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