12 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... VI (Abducens) Nerve ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - abnormal ... dissociation • Other causes ... #ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... Diagnosis Algorithm ... Fascicle (Other CN ... • Tumor (Lung, Breast ... #Causes #Ophthalmology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
electrolytes, urea ... investigations abnormal ... investigations depending on clinical ... Diagnosis #nephrology ... #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... Demyelinating disease caused ... , palsy of the abducens ... #Infections #differential
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm ... Clinical Pearls ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
(Normal) 3. ... (Abnormal) This ... #Abducens #Nerve ... #clinical #video ... #neurology #ophthalmology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Bacterial Meningitis - Differential ... • Common clinical ... Singh @rav7ks #CNS ... #diagnosis #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... findings included abnormal ... trochlear nerve, abducens ... Ophthalmicus #HZO #clinical ... #video #ophthalmology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... neurological lesion: Clinical ... Non-compressive Spinal Cord Causes ... #differential ... #algorithm