8 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... axillary nerve ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Bell's Palsy - Diagnosis ... Facial Nerve (CN7 ... Isolated lower, bilateral ... , Lyme, facial nerve ... inflammatory cause
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Commonly caused ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... is bilateral which ... the preserved movements ... #clinical #video ... #physicalexam #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... : • CN Ill Palsy ... abnormal extraocular movements ... dissociation • Other causes ... #PhysicalExam #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
• Suspect in movement ... Demyelinating disease caused ... , limb ataxia, gait ... hearing loss, palsy ... of the abducens nerve
Hemimasticatory Spasm on Physical Exam

Hemimasticatory spasm is a disorder of the trigeminal nerve → involuntary jaw
the trigeminal nerve ... Myokimia will cause ... such gross movement ... clinical #cheek #CN5 ... #video #neurology