8 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
: • CN Ill Palsy ... - abnormal extraocular ... movements - ... dissociation • Other causes ... #PhysicalExam #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
) Nerve Palsy ... ) Nerve palsy ... ) Nerve palsy • ... ophthalmology #neurology ... #differential #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Conditions Erb's Palsy ... Saturday night palsy ... #Myotomes #diagnosis ... #neurology #sensory
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... Ill palsy ... • Neurologic ... Myasthenia Gravis Extraocular ... #Algorithm #Causes
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... this rule are CN ... the preserved movements ... #clinical #video ... #physicalexam #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
pupil with third nerve ... palsy - Tentorial ... various types • Extraocular ... movement deficits ... #differential #diagnosis
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
the follow up video ... (no horizontal movement ... the hospital, diagnosed ... with MS, and started ... ophthalmology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... • Suspect in movement ... Demyelinating disease caused ... hearing loss, palsy ... of the abducens nerve