18 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
CN Ill (Oculomotor ... • CN VI (Abducens ... Skew Deviation Casey ... ophthalmology #neurology #differential ... #diagnosis #ocular
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- Differential ... Diagnosis Algorithm ... pilocarpine • Oculomotor ... Nerve/Fascicle ... #Causes #Ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Diagnosis Framework ... Status - Consider Oculomotor ... (3rd cranial nerve ... no neurological cause ... • Medication effects
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... , oculomotor nerve ... , abducens nerve ... Neurological defects ... ophthalmology #physicalexam
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
- Visual Field Defects ... Infection • MS ... NeuroOphthaImoIogy #Neurology #Differential ... #Diagnosis #Anatomy ... #Causes #Ophthalmology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Diagnosis Algorithm ... Mineralization Defect ... • Bone Marrow Disorder ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
syndromes (e.g. oculomotor ... Motor and sensory deficits ... pain • Extra-CNS ... Comorbid autoimmune disorders ... Manifestations #diagnosis
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... Diagnosis Framework ... Optic Nerve/Pathway ... • Visual field defect ... #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Suspect in movement disorders ... Symptoms: AMS, motor deficits ... , palsy of the abducens ... nerve, and impaired