7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Biceps Jerk - ... Conditions Erb's Palsy ... Klumpke's Ralsy ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... @neudrawlogy #CNIII ... #CN3 #Palsy #Oculomotor ... Cranial #neurology #diagnosis
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
VII, the facial ... here by a Bell's palsy ... #CNVII #CN7 #Peripheral ... Paralysis #Bells #Palsy ... #Neurology #Diagnosis
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
peripheral 12th nerve palsy ... cranial nerves VII ... CN VII (facial weakness ... “mee-mee-mee;” CN ... hoarseness; and CNXII
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... Anisocoria - CN ... III Palsy - Pharmacologic ... Anisocoria #Evaluation #Algorithm ... #Differential #Diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... Algorithm Clinical ... • CN VI palsy ... Ill palsy ... #Algorithm #Causes
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6, C7 ... branches are to the triceps ... • Thus a PIN palsy ... nerve (or PIN) palsy ... Nerve #Anatomy #diagnosis