15 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... nerve in the radial ... Carpal Tunnel Syndrome ... in the median nerve ... axillary nerve
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... a mass as the cause ... Nerve VI problem ... Nerve Ill - Eye ... Nerve IV - Eye
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... nerve in its path ... sleeping as in this case ... #Nerve #Palsy # ... PhysicalExam #clinical #video
Ramsay Hunt Syndrome (Herpes zoster oticus) wit Facial Nerve Palsy
Triad: 
 - Ipsilateral facial paralysis
 -
Ramsay Hunt Syndrome ... oticus) wit Facial Nerve ... Palsy Triad: ... vesicles in auditory canal ... oticus #Facial #Nerve
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... nerves is bilateral ... nerve receives ... ⬇️ Dx- UMN XII nerve ... #clinical #video
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
The nerves at the ... include the optic nerve ... , oculomotor nerve ... , abducens nerve ... HZO #clinical #video
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... cause for Wrist ... nerve palsy with ... nerve palsy. ... #Nerve #Palsy #
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Consciousness • Cranial ... Nerve Palsies ... Brown-Sequard Syndrome ... #Causes
Ear Pain / Otalgia - Differential Diagnosis Algorithm
Referred Otaliga:
 • Via Vagus or Glossopharyngeal Nerves
 •
Glossopharyngeal Nerves ... External Auditory Canal ... Zoster (Ramsay Hunt Syndrome ... if Facial Nerve ... #Causes
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... posterior interosseous nerve ... ), compartment syndrome ... Forearm #Ulnar #Radiology