18 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... and Function The Radial ... along with the radial ... assessing the Radial ... arise from the radial
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
causes of Facial ... Nerve Palsy. ... of unilateral facial ... - Facial Scoliosis ... Signs #Symptoms #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... compression of the radial ... #Wrist #Drop #Radial ... #Nerve #Palsy #
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... palsyMedial ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... distinguished from lower radial ... and pronation- Radial ... Extension #Maneuver #Radial
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 ... #neurology #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... a mass as the cause ... large/unreactive pupil ... #Ophthalmology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... nerve receives ... Exceptions to this rule are ... the preserved movements ... #clinical #video
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
suggest oculomotor nerve ... palsy. ... anterior_seg_rocks #Adies ... anisocoria #clinical #video ... #ophthalmology