10 results
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... Fixed #Dilated #Pupil ... differential #diagnosis #neurology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis • Bilateral ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... ), DM, SAH #Mydriasis ... differential #diagnosis #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... Diagnosis: • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
pupils observed ... #tonic #pupils # ... clinical #video #ophthalmology ... #bilateral #reflex ... #neurology #absent
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... Saturday night palsy ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... • Cauda Equina Syndrome ... dysfunction, and bilateral ... Myotomes #diagnosis #neurology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
occasionally it can occur bilaterally ... in those rare bilateral ... oculomotor nerve palsy ... clinical #video #ophthalmology ... #physicalexam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Sciatica: often bilateral ... region (S2-S4 dermatomes ... bulbocavernosus reflex ... wink test - reflex ... diagnosis #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... dysfunction to the bilateral ... • Gag reflex ... Pupils: • Anisocoria ... #PhysicalExam #neurology
HORNY PAMELA Mnemonic for Horner’s Syndrome

Horner’s syndrome is classically associated with ptosis, miosis, and anhidrosis.
severe than CN III palsy ... Constriction of the pupil ... ciliary-spinal reflex ... Anisocoria - Unequal pupil ... #Diagnosis #Neurology