Create issue ticket

65 Possible Causes for Startle Myoclonus

  • Creutzfeldt Jakob Disease

    In the meantime, the patient developed startle myoclonus.[ncbi.nlm.nih.gov] […] triggered by sudden stimulus such as loud noise (so-called ‘startle myoclonus’).[ideas.health.vic.gov.au] Around the same time, the patient began to exhibit an exaggerated startle reaction and mild myoclonus.[ncbi.nlm.nih.gov]

  • Myoclonic Jerking

    Myoclonus that occurs when patients are suddenly startled (startle myoclonus) may be an early symptom of Creutzfeldt-Jacob disease.[merckmanuals.com] Types of normal ("physiologic") myoclonus include; hypic jerks (myoclonus as a person falls asleep), startle response, exercise or anxiety induced myoclonus, and hiccoughs[cmdg.org] […] control movement in response to startling events.[sleepassociation.org]

  • Transient Ischemic Attack

    In Creutzfeldt-Jacob disease (a rare degenerative brain disorder), myoclonus becomes more obvious when people are suddenly startled.[merck.com] Myoclonus may occur normally, often when a person is falling asleep.[merck.com] For example, as people start to doze off, they may jerk awake (as if startled), or muscles in part of the body may twitch.[merck.com]

  • Hereditary Hyperekplexia

    […] reflex muscle hypertonia myoclonus /- epilepsy More General Terms developmental disorder genetic disease of the central nervous system Internet Database OMIM: 149400 OMIM[anvita.info] […] responses, hypertonia and apneic spells in the neonatal period, nocturnal myoclonus, startle-induced falls and accumulation of injuries.[link.springer.com] Schofield, Bovine myoclonus: Model of human hyperekplexia (Startle disease), Movement Disorders, 17, 4, (743-744), (2002).[doi.org]

  • X-linked Parkinsonism-Spasticity Syndrome

    Myoclonic jerks may occur with voluntary movement (action myoclonus) or as a result of a stimulus (startle or reflex myoclonus).[stanfordmedicine25.stanford.edu] Myoclonus may be benign (as in hypnopompic and hypnagogic jerks) or disabling.[stanfordmedicine25.stanford.edu]

  • Wolfram Syndrome

    myoclonus (in 2 unrelated cases), axial rigidity, and Parinaud's syndrome.[ncbi.nlm.nih.gov] As age advances impaired sexual development, central nervous system complication such as nystagmus, ataxia, startle myoclonus, seizure disorders, mental health disorders and[japi.org] […] features of WS are diabetes insipidus, multiple neurological abnormalities, such as sensorineural deafness, neuropathic bladder, cerebellar ataxia, dysarthria, dysphagia, startle[journals.viamedica.pl]

  • Benign Adult Familial Myoclonic Epilepsy

    A group of disorders called "startle syndromes" probably involves hyperexcitability of the normal brainstem startle circuits and decreased inhibition in spinal circuits.[endoflifecare.tripod.com] Physiologic Myoclonus This type of myoclonus occurs in healthy people and rarely requires treatment.[bcm.edu] The mechanism of subcortical and spinal myoclonus is even less well understood.[endoflifecare.tripod.com]

  • Progressive Myoclonic Epilepsy Type 8

    Physiologic Myoclonus This type of myoclonus occurs in healthy people and rarely requires treatment.[bcm.edu] […] such as hyperekplexia or startle disease.[euroepinomics.wordpress.com] The specific mechanisms underlying myoclonus are not yet fully understood.[bcm.edu]

  • Unverricht-Lundborg Syndrome

    Physiologic Myoclonus This type of myoclonus occurs in healthy people and rarely requires treatment.[bcm.edu] The specific mechanisms underlying myoclonus are not yet fully understood.[bcm.edu] Examples include hiccups, sudden jerk when someone is startled, or twitching of the arm or leg when beginning to fall asleep.[bcm.edu]

  • Progressive Myoclonic Epilepsy Type 7

    Affects any area of the body Startle sensitive Absent during sleep Dysarthria Rigidity Spasticity Dementia follows seizures in two to three years Onset in adolescence or[neurodiffdx.com] BAFME (Baltic Familial Myodemic Epilepsy); FCT (familial cortical tremor) Lafora body disease AR: both sexes equally affected; chromosome 6q Clinical features: Seizures Myoclonus[neurodiffdx.com]

Further symptoms