4 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Syndrome Wrist drop ... damage to the radial ... nerve in the radial ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... • Medial Longitudinal ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm ... • CN VI palsy ... • Neurologic ... depress when looking medially ... #Causes #Ophthalmology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
A nystagmus in far ... formation) and MLF (medial ... of this are tumors ... clinical #video #ophthalmology ... #neurology