22 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
benign • Regular and ... Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... #Pupil #PhysicalExam
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... neudrawlogy #CNIII #CN3 ... #Palsy #Oculomotor ... #neurology #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor ... ) Nerve Palsy ... ) Nerve palsy ... ) Nerve palsy • ... Syndrome • Cavernous
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
Horner's Syndrome ... ipsilateral face and ... comparison to oculomotor ... nerve palsy (levator ... #diagnosis #neurology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
size in bright and ... - Horner's Syndrome ... Anisocoria - CN ... III Palsy - Pharmacologic ... Dilatation - Adie's
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Miller-Fisher syndrome ... (orbital apex fracture ... , blowout fracture ... Ill and VI palsy
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
equal in light and ... pilocarpine • Oculomotor ... Nerve/Fascicle ... (Other CN Ill Findings ... pilocarpine • Tonic (Adie's
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
" ± Horner Syndrome ... to the radial nerve ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... Adie’s tonic pupil ... would suggest oculomotor ... nerve palsy. ... ophthalmology #physicalexam
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 ... orbital rooftop fracture