7 results
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Ptosis is severe in comparison ... to Horner's syndrome ... @neudrawlogy #CNIII ... Nerve #Cranial #neurology ... #diagnosis
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
Horner's Syndrome ... Ptosis is mild in comparison ... oculomotor nerve palsy ... #Syndrome #diagnosis ... #neurology
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
R 4th nerve palsy ... R 6th nerve palsy ... #CNIII #CNIV #CNVI ... #Neurology #Diagnosis ... #Chart #Comparison
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
"claw hand" ± Horner ... Syndrome Wrist ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Horner’s syndrome ... • Third nerve palsy ... • Horner syndrome ... #Ptosis #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner ... syndrome, history ... • Meningeal signs ... #Algorithm #neurology
HORNY PAMELA Mnemonic for Horner’s Syndrome

Horner’s syndrome is classically associated with ptosis, miosis, and anhidrosis.
PAMELA Mnemonic for Horner ... ’s Syndrome Horner ... severe than CN III palsy ... #Syndrome #Diagnosis ... #Neurology