7 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... : • Adie's Pupil ... #neurology #ophthalmology
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Unilateral Fixed ... • Bilateral, Large ... • Bilateral, midposition ... , fixed pupils: ... #Coma #Neurology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
more than 7mm • Unilateral ... closure glaucoma, Adie's ... Mydriasis • Bilateral ... less than 2mm • Unilateral ... , uveitis) • Bilateral
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... Dilated Pupil - ... cranial nerve) Palsy ... abnormalities #Unilateral ... #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 ... It is generally unilateral ... in those rare bilateral ... oculomotor nerve palsy
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic ... Absence of bilateral ... 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