59 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
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... the commonest cause ... #Bells #Palsy #Neurology ... #Signs #Symptoms
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... oscillopsia) • Otitis Media ... symptoms/signs, ... Dizziness #Vertigo #Neurology ... Diagnosis #Algorithm #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... symptoms suggest ... depress when looking medially ... Diagnosis #Algorithm #Causes ... #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 ... #msk #sports #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... • Peroneal • Radial ... Weakness #Sensory #Neurology ... Diagnosis #Algorithm #Causes
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
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 ... ophthalmoplegia #WEBINO #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
: • Attacks: Gradual ... with vascular causes ... positional episodes caused ... No auditory symptoms ... Long symptom-free