22 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... commonest cause of unilateral ... Loss of Corneal Reflex ... #Neurology #Signs ... #Symptoms #Diagnosis
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... closure glaucoma, Adie's ... Miosis: Horner's syndrome ... #differential #diagnosis ... #ophthalmology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... - Horner's Syndrome ... Anisocoria - CN III Palsy ... Dilatation - Adie's ... #Ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
- Differential Diagnosis ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... #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 ... occasionally it can occur bilaterally ... oculomotor nerve palsy ... clinical #video #ophthalmology ... #physicalexam #neurology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
patient with Ross syndrome ... clinical #video #ophthalmology ... #ross #syndrome ... #bilateral #reflex ... #neurology #absent
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Sciatica: often bilateral ... Differential Diagnosis ... wink test - reflex ... #differential #diagnosis ... #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... dysfunction to the bilateral ... • Gag reflex ... #PhysicalExam #neurology