Riley-day Syndrome

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Other Names :  

Familial dysautonomia, Hereditary sensory and autonomic neuropathy type III

What is Riley-day Syndrome ?  

A disorder of autonomic nervous system involving the development and survival of sensory, sympathetic and some parasympathetic neurons in the autonomic and sensory nervous system.

Cause(s) :  
  • Genetic
Symptoms :  
  • Weak or absence of sucking, misdirected swallowing
  • Absence of overflowing of tears with emotional crying after the age of 7 months
  • Red blotching of skin, Red puffy hands
  • Delayed speech and walking, unsteady gait
  • Decreased deep tendon reflexes
  • Erratic or unstable blood pressure
  • Less perception in pain or temperature
  • Constipation or diarrhea
  • Long periods of vomiting
  • Repeated fevers and pneumonia
  • Tongue surface is unusually smooth and pale
Dysautonomia crisis is a constellation of symptoms that occur in response to physical and emotional stress.
  • Vomiting
  • Increased heart rate
  • Increased blood pressure
  • Sweating
  • Drooling
  • Blotching of skin
  • Negative change in personality
Diagnosis and Tests :  
  • Prenatal testing if family history is present
  • Genetic testing
Specialist to consult :  Genetics

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