20 results
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Bilateral, Large ... • Bilateral, midposition ... • Horner's syndrome ... #Coma #Neurology ... #differential #
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - ... Differential Diagnosis ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... diagnosis #neurology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Evaluation Flow Chart - Differential ... - Horner's Syndrome ... Anisocoria - CN III Palsy ... Evaluation #Algorithm #Differential ... #Diagnosis #Ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Mydriasis • Bilateral ... ), DM, SAH #Mydriasis ... #Miosis #differential ... #diagnosis #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
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
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... Trochlear) Nerve palsy ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
occasionally it can occur bilaterally ... in those rare bilateral ... oculomotor nerve palsy ... clinical #video #ophthalmology ... #physicalexam #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... dysfunction to the bilateral ... • Gag reflex ... Pupils: • Anisocoria ... #PhysicalExam #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
vasoconstriction syndrome ... poorly reactive pupils ... with third nerve palsy ... vasoconstriction syndrome ... symptoms #clues #differential