19 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 ... damage to the radial ... nerve in the radial ... Myotomes #diagnosis #neurology
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
endocarditis, in this case ... of an infected radial ... Photo credit, Josh ... Goldberg, M.D. - UCSD ... #Endocarditis #UCSDH
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Sub-Cortical (Corona radiata ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... #Causes
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Differential Diagnosis Algorithm ... • Peroneal • Radial ... Weakness #Sensory #Neurology ... #Causes
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... Images #Clinical #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis ... #UCSDH
Wall-eyed bilateral inter nuclear ophthalmoplegia (WEBINO) Syndrome

In this specific case, the lesion is bilaterally in the
ophthalmoplegia (WEBINO) Syndrome ... this specific case ... bilaterally in the medial ... ophthalmoplegia #WEBINO #Neurology
HSV Infection: Cluster of vesicles overlying skin at medial margin of eye. The upper lid is
overlying skin at medial ... Goldberg, M.D. - UCSD ... Images #Clinical #Ophthalmology ... Vesicles #Ocular #Photo ... #UCSDH
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... • Neurologic ... a mass as the cause ... depress when looking medially ... #Causes #Ophthalmology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Restless Legs Syndrome ... Medical/Psychiatric ... Disorders • Neurologic ... #Causes