7 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
CN VI (Abducens ... Skew Deviation Casey ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... Ill palsy ... • Neurologic ... #Causes #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... dissociation • Other causes ... #neurology #ophthalmology
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
and Non-Emergent Causes ... CNS, neurologic ... Musculoskeletal Allergy ... #differential # ... diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease caused ... hearing loss, palsy ... of the abducens ... #Infections #differential
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam