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112 Possible Causes for Startle Myoclonus

  • Creutzfeldt Jakob Disease

    In the meantime, the patient developed startle myoclonus.[] Around the same time, the patient began to exhibit an exaggerated startle reaction and mild myoclonus.[] The pathological laughing and startle reaction disappeared before the patient reached an akinetic mutism state approximately 16 months after symptom onset.[]

  • Wolfram Syndrome

    As age advances impaired sexual development, central nervous system complication such as nystagmus, ataxia, startle myoclonus, seizure disorders, mental health disorders and[] […] features of WS are diabetes insipidus, multiple neurological abnormalities, such as sensorineural deafness, neuropathic bladder, cerebellar ataxia, dysarthria, dysphagia, startle[] myoclonus, reduced limb reflexes, horizontal nystagmus, central apnoeas, loss of taste and smell, hemiparesis, mental retardation, psychiatric illness, and renal tract abnormalities[]

  • Autosomal Recessive Mental Retardation 27

    A syndrome of early onset spinocerebellar ataxia with optic atrophy, internuclear ophthalmoplegia , dementia, and startle myoclonus in a Sri Lankan family.[]

  • Neuroleptic Malignant Syndrome

    He developed marked rigidity, myoclonic jerks, and startle myoclonus. He was then sent for a brain MRI.[] Conclusions: We describe a highly-functioning man with a rapidly progressive cognitive impairment, visual hallucinations, rigidity, and startle myoclonus.[]

  • Hypermetabolism

    The disease progressed with frequent seizures, myoclonus, and a startle reaction.[] Focal hypermetabolism corresponding with epileptic foci is a common finding in ictal epilepsy patients, and hypometabolism is common in patients with myoclonus or the startle[]

  • Spinocerebellar Ataxia Type 10

    Startle myoclonus PrpC PrpSC Osmotic demyelination Syndrome rapid hyponatremia correction -quadreplegia -psuedobulbar pulsy- demyelination of CN 9,10,11 Rapid hypernatremia[] […] enlarging blind spot/ blurred margins Afferent defect in pupil Swinging flashlight test Lewy bodies (alpha-synuclein) Dementia Hallucinations Parkinsons 14-3-3 protein Dementia myoclonus[]

  • AIDS Dementia Complex

    In two patients, myoclonus was elicited by sudden auditory stimuli and resembled a startle response. This form of myoclonus may be subcortical in origin.[] In each, myoclonus persisted until death, invariably after a course of a few months.[]

  • Niacin

    During the hospital stay myoclonus was noticed in the patient, which was startle in nature. He did not have dermatitis, ascites or any stigmata of liver failure.[] His clinical condition improved drastically over next 1 week and startle myoclonus disappeared, favouring the diagnosis of APE though multiple confounding factors were present[]

  • Opsoclonus-Myoclonus Syndrome

    We report a 3-year-old boy with opsoclonus-myoclonus syndrome (OMS) who presented with exaggerated startle responses to unexpected auditory stimuli during an episode of myoclonic[] "Augmented startle responses in opsoclonus-myoclonus syndrome." Brain Dev 33(4): 335-338. Zamecnik, J., et al. (2004).[] "Opsoclonus-myoclonus syndrome and exaggerated startle response associated with small-cell lung cancer." Mov Disord. Strupp, M. and T. Brandt (2006).[]

  • Semantic Dementia

    myoclonus), ataxic gait and incoordination, psychiatric abnormalities, akinetic mutism (sleep wake cycles but while awake, mute and immobile) abnormal structure and folding[] […] progressive once clinical symptoms begin 3 ways to acquire prion dz inherited, sporadically, or infectious rapidly progressive dementia, cortical dysfunction; myoclonic jerks (startle[]

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