40 results
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
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... comparison to Horner's syndrome ... inferior rectus, medial ... #Cranial #neurology
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
palsyMedial ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
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
Saturday Night Palsy
Compression of Radial nerve in axilla or upper arm in patient sleeping with arm
Saturday Night Palsy ... Compression of Radial ... nerve in axilla ... #neurology #radial ... #nerve
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... Strictly Horizontal (Cranial ... Tumor • Trauma Cranial ... Aneurysm • Trauma Cranial ... #Ophthalmology
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
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Framework If Altered Mental ... Oculomotor (3rd cranial ... nerve) Palsy: ... no neurological cause ... differential #diagnosis #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
• Chauffer = radial ... DRUJ disruption, radial ... nerve injury, acute ... carpal tunnel syndrome ... Fracture #Forearm #Radial