28 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... of unilateral facial ... Loss of Corneal Reflex ... #Neurology #Signs
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
left 6th nerve palsy ... Caused by a ... retraction #nystagmus #ocular ... clinical #video #neurology ... #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... no neurological cause ... differential #diagnosis #neurology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
response, Serotonin syndrome ... Miosis: Horner's syndrome ... , uveitis) • Bilateral ... Robertson pupils), DM, SAH ... differential #diagnosis #ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Conditions Erb's Palsy ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... #PhysicalExam #neurology ... #ophthalmology
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
Rectus Palsy on ... Ocular Examination ... #Rectus #Palsy ... clinical #video #neurology ... #ophthalmology
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 ... - Emergency Causes ... wink test - reflex ... differential #diagnosis #causes ... #neurology