20 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... → "setting sun sign ... " - Vascular disease ... #Syndrome #diagnosis ... #pineal #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... "setting sun" sign ... • Vascular disease ... #syndrome #neurology ... #diagnosis
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
usually reflects lower ... The sign been also ... been observed in ALS ... facioscapulohumeral muscular ... video #umbilicus #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Motor Nerves: ALS ... Guillain-Barre syndrome ... Mitochondrial myopathy, Muscular ... #differential #diagnosis ... #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... Mixed upper and lower ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Generalized fatigue - ALS ... test - Cogan sign ... - Peek sign ... : Steroids and NSAIDs ... #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... 4) progressive muscular ... Upper extremity, lower ... EMG: LMN Signs in ... Lateral #Sclerosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Lack of UMN/LMN signs ... myopathies, the muscular ... #Differential #Diagnosis ... #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... lung nodules, may also ... Neuro Behcets Vascular ... causes #radiology #neurology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... pain hematuria syndrome ... hematuria • Signs ... - RBC casts → Diagnostic ... #nephrology #renal