13 results
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Absence of bilateral ... clinical #video #ophthalmology ... syndrome #bilateral #reflex ... #neurology #absent
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... • Leukocoria (absent ... partial retinal red reflex ... pathophysiology #ophthalmology ... #diagnosis #signs
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
unresponsiveness; the absence ... consciousness Differential ... • Gag reflex ... • Examine for signs ... #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
 •
constipation Differential ... bulbocavernosus reflex ... wink test - reflex ... Equina #syndrome #differential ... diagnosis #causes #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Following must be absent ... gait, strength, reflexes ... pathophysiology #differential ... #diagnosis #signs
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Neurogenic Ptosis - Neurologic ... Congenital Ptosis - Absence ... #Differential # ... Diagnosis #ophthalmology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... Increased Jaw Jerk reflex ... EMG: LMN Signs in ... conditions listed in differential ... Lateral #Sclerosis #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... meningeal irritation signs ... Photophobia #Headache #differential ... #diagnosis #ophthalmology ... #Neurology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... systemic sx + signs ... very remarkable w/differential ... required +/- prompt ophthalmology ... depending on presence/absence
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... • Symptoms and signs ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology ... #differential