31 results
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... Fixed #Dilated #Pupil ... differential #diagnosis #neurology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Measure pupil size ... noted, re-measure pupil ... Anisocoria - CN III Palsy ... Anisocoria #Evaluation #Algorithm ... Differential #Diagnosis #Ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis: Dilated pupils ... , Adie's tonic pupil ... Mydriasis • Bilateral ... ), DM, SAH #Mydriasis ... differential #diagnosis #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... dissociaton; • Usually unilateral ... Diagnosis: • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Differential Diagnosis Algorithm ... Peripheral lesion - Bilateral ... of facial nerve palsy ... : Bell's Palsy ( ... #Causes #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... of Facial Nerve Palsy ... commonest cause of unilateral ... Loss of Corneal Reflex ... #Neurology #Signs
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Argyll Robertson Pupil ... small (1-2mm) pupil ... intact) - Usually bilateral ... #neurology #diagnosis ... #ophthalmology
Argyll-Robertson Pupil on Physical Exam
Small (myotic), irregular pupil that do not react to light but do
Argyll-Robertson Pupil ... myotic), irregular pupil ... fibers of the light reflex ... clinical #video #neurology ... #ophthalmology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic ... pupils observed ... #tonic #pupils # ... clinical #video #ophthalmology ... #reflex #neurology
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... Differential Diagnosis Algorithm ... (fixed dilated pupil ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology