6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
"claw hand" ± Horner ... Syndrome Wrist ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
(Trochlear) Nerve ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... junction, cranial nerve ... eyelid: • Third nerve ... palsy • Horner ... #ophthalmology
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
male with left facial ... paroxysmal brainstem syndrome ... #Spasm #CNVI #CN6 ... #ophthalmology ... #neurology #video
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
hypothalamus, and visual cortex ... glaucoma - Ocular ... the trigeminal nerve ... #ophthalmology ... #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... the bilateral cortex ... threat Cranial Nerves ... • Vestibulo-ocular ... #PhysicalExam #neurology