Traumatic mydriasis: Difference between revisions

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==Differential Diagnosis==
==Differential Diagnosis==
*Physiological Aniscoria
*Physiological Anisocoria
*Intracranial Injury
*[[TBI|Intracranial Injury]]
*Congenital Eye Defects
*Congenital eye defects
*Drugs and Toxins
*[[toxicity|Drugs]] and toxins
*Third Nerve Palsy
*[[Third nerve palsy]]
*Pharmacologic Mydriasis
*Pharmacologic mydriasis


==Evaluation==
==Evaluation==
*History of Trauma
*Clinical; rule out intracranial injury
*Check use of topical medications
*Exposure to toxin and drugs
*Evaluate ocular and neurological symptoms/signs
*Examine pupils in light and dark




==Management==
==Management==
 
*No specific ED management


==Disposition==
==Disposition==
 
*If no other injuries/pathology, discharge with optho follow up


==See Also==
==See Also==
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[[Category:Ophthalmology]]
[[Category:Ophthalmology]]
[[Category:Trauma]]

Revision as of 22:01, 6 October 2019

Background

  • Pupillary dilation due to blunt eye trauma
    • Pupil is poorly reactive to light in both direct and consensual light exposure
  • Occurs due to small tears in the ciliary muscles
  • May be transient or permanent
  • No specific ED management, but requires ophthalmology follow up
  • Diagnosis of exclusion!

Clinical Features

Differential Diagnosis

Evaluation

  • Clinical; rule out intracranial injury


Management

  • No specific ED management

Disposition

  • If no other injuries/pathology, discharge with optho follow up

See Also

External Links

References