30 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 ... "claw hand" ± Horner ... damage to the radial ... nerve in the radial
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... input to (in this case ... etiology in this case ... Images #Clinical #Ophthalmology ... #Photo #Horners
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
referred in for facial ... experience, the cause ... The video highlights ... Syndrome #clinical #video ... #ophthalmology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... sleeping as in this case ... #Wrist #Drop #Radial ... PhysicalExam #clinical #video
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 ... Images #Clinical #Photo
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Skew Deviation Casey ... #Localization #ophthalmology
Wall-eyed bilateral inter nuclear ophthalmoplegia (WEBINO) Syndrome

In this specific case, the lesion is bilaterally in the
this specific case ... bilaterally in the medial ... Neurology #Clinical #Video
Figure 1: Corneal ring infiltrate in a patient with #Acanthamoeba #keratitis.  Acanthamoeba keratitis is a
ring infiltrate, radial ... #clinical #photo ... #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
for intracranial masses ... a mass as the cause ... depress when looking medially ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Physical Exam Carles ... the peripheral facial ... Sign #clinical #video ... #PhysicalExam #ophthalmology