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48 Possible Causes for Age of Onset 20-65 Years, Interictal Downbeat Nystagmus

  • Spinocerebellar Ataxia Type 6

    Initial examination disclosed a central type of positional nystagmus (conjugate downbeat nystagmus that did not fatigue with repeated positioning).[jnnp.bmj.com] The age at onset can vary considerably within and among families ranging from 5 to 65 years. The duration of the disease is 20 years.[doi.org] About a year later, she noticed mild interictal imbalance.[jnnp.bmj.com]

  • Insomnia

    Efficacy Low-dose (20-mg) and high-dose (40-mg) suvorexant in individuals younger than age 65 years both proved superior to placebo in the following categories: waking after[ncbi.nlm.nih.gov] […] sleep onset (WASO), latency to persistent sleep (LPS), mean subjective total sleep time (sTSTm), mean subjective waking after sleep onset (sWASOm), and mean subjective time[ncbi.nlm.nih.gov]

    Missing: Interictal Downbeat Nystagmus
  • Asthma

    Obesity is a strong risk factor for adult-onset asthma, and women are more likely to develop the condition after the age of 20 years.[medicalnewstoday.com] People over 65 years of age make up a large number of deaths from asthma.[medicalnewstoday.com]

    Missing: Interictal Downbeat Nystagmus
  • Congestive Heart Failure

    In the NHLBI’s FHS, among ischemic stroke survivors who were at least 65 years of age, these disabilities were observed at 6 months after stroke 79 : — 50% had some hemiparesis[doi.org] From 50% to 70% of stroke survivors regain functional independence, but 15% to 30% are permanently disabled, and 20% require institutional care at 3 months after onset. 78[doi.org]

    Missing: Interictal Downbeat Nystagmus
  • Heart Failure

    In the NHLBI’s FHS, among ischemic stroke survivors who were at least 65 years of age, these disabilities were observed at 6 months after stroke 79 : — 50% had some hemiparesis[doi.org] From 50% to 70% of stroke survivors regain functional independence, but 15% to 30% are permanently disabled, and 20% require institutional care at 3 months after onset. 78[doi.org]

    Missing: Interictal Downbeat Nystagmus
  • Angina Pectoris

    In the NHLBI’s FHS, among ischemic stroke survivors who were at least 65 years of age, these disabilities were observed at 6 months after stroke 79 : — 50% had some hemiparesis[doi.org] From 50% to 70% of stroke survivors regain functional independence, but 15% to 30% are permanently disabled, and 20% require institutional care at 3 months after onset. 78[doi.org]

    Missing: Interictal Downbeat Nystagmus
  • Autistic Disorder

    Macrocephaly is noted by age 2–3 years in 20% of children with autism spectrum disorder.[ncbi.nlm.nih.gov] Brain growth accelerates at 12 months. 65 These changes arise in parallel with onset of core symptoms during the first 2 years of life.[ncbi.nlm.nih.gov] […] problem-solving mindset, weak central coherence and difficulty with integration of information into meaningful wholes, 12 and deficits in connectivity and processing demands. 65[ncbi.nlm.nih.gov]

    Missing: Interictal Downbeat Nystagmus
  • Spontaneous Pneumothorax

    This subtype occurs in ages of 20 to 30 years. However, SSP develops in individuals aged 60 to 65 who exhibit underlying disease.[symptoma.com] The presentation typically consists of a sudden onset of sharp pleuritic pain, which may radiate to the neck, shoulder, or abdomen.[symptoma.com]

    Missing: Interictal Downbeat Nystagmus
  • Transitional Cell Carcinoma of the Renal Pelvis

    The age ranged from 65-to-82 years-old (mean 71.6).[ncbi.nlm.nih.gov] All these patients were treated by nephrectomy and died of disease between 6 and 20 months (mean 11.2) after the onset of symptoms.[ncbi.nlm.nih.gov]

    Missing: Interictal Downbeat Nystagmus
  • Parasomnia

    […] of age. [10] Typical clinical features of REM sleep behavior disorder are: Male gender predilection Mean age of onset 50–65 years (range 20–80 years) Vocalisation, screaming[en.wikipedia.org] […] tethering themselves to bed, using pillow barricades , or sleeping in an empty room on a mattress. [9] Demographically, 90% of RBD patients are males, and most are older than 50 years[en.wikipedia.org]

    Missing: Interictal Downbeat Nystagmus

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