• It is the most common non-epileptic movement disorder in neonatal period.
  • Generalized symmetric, rhythmic movements of chin and/or extremities that resemble tremor. 
  • It is stimulus sensitive; increased with crying. It can be precipitated by startle and suppressed by gentle passive flexion of the limb. 
  • It disappears shortly after birth, but can persist for months. 
  • Persistent jitteriness has been associated with hypoxic-ischemic injury, intracerebral hemorrhage, hypocalcemia, hypoglycemia, hypomagnesemia, and drug withdrawal, which may produce neuronal hyperirritability. 
  • Idiopathic jitteriness is usually associated with normal development and neurologic outcome.  No treatment needed for these cases. 
  • The outcome of infants with symptomatic jitteriness depends on the underlying cause.
JITTERINESSVideo credits : http://mdlexicon.com

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