56 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... nerve in the radial ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsyMedial ... Iniury • One-and-a-half ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Algorithm Forehead ... (2% of facial nerve ... : Bell's Palsy ( ... #Algorithm #Causes ... #neurology #sparing
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... Median nerve is ... The median nerve ... (AIN) palsy leaves ... #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... Examination Left hand ... #Nerve #Palsy # ... PhysicalExam #clinical ... #msk #sports #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • CN VI palsy ... • Neurologic ... depress when looking medially ... #Algorithm #Causes
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Nerve • Ptosis ... inferior rectus, medial ... rectus, and inferior ... #Cranial #neurology ... #diagnosis
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Framework If Altered Mental ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... no neurological cause ... #neurology
“Hand of benediction” due to median nerve palsy – the patient cannot flex their index or
” due to median ... nerve palsy – the ... middle fingers #Clinical ... #Photo #Hands # ... #Nerve #Palsy
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial nerve is ... When clinically ... • Thus a PIN palsy ... palsy recovers there ... #diagnosis #neurology