12 results
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Unilateral Fixed ... fixed pupils: Midbrain ... , fixed pupils: ... • Horner's syndrome ... #Coma #Neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... mildly dilated pupil ... Holmes-Adie Syndrome ... : • Adie's Pupil ... #neurology #ophthalmology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Measure pupil size ... noted, re-measure pupil ... Dilatation - Adie's ... Tonic Pupil - ... #Pupillary #Pupils
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis: Dilated pupils ... closure glaucoma, Adie's ... tonic pupil, Migraine ... : Constricted pupils ... Argyll Robertson pupils
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
Adie's Pupil on ... pupil is a neurological ... tonically dilated pupil ... and affects the pupil ... #neurology #syndrome
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... Dilated Pupil - ... cranial nerve) Palsy ... #Pupil #differential ... #diagnosis #neurology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... Adie’s tonic pupil ... , the affected pupil ... Failure of the pupil ... #Tonic #Pupil #
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
pupils observed ... #tonic #pupils # ... clinical #video #ophthalmology ... #bilateral #reflex ... #neurology #absent
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... dysfunction to the bilateral ... • Gag reflex ... Pupils: • Anisocoria ... #PhysicalExam #neurology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
corneal light reflex ... Asymmetrical light reflex ... hyper/hypotopia, mixed ... large/unreactive pupil ... Algorithm #Causes #Ophthalmology