29 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperreflexia #Testing ... #differential #diagnosis ... #table #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Hydrocephalus → "setting ... disease (stroke ... #diagnosis #pineal ... #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
sensory symptoms or signs ... protein Features Casting ... nervous system signs ... #Syndrome #diagnosis ... #criteria #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Hydrocephalus -> "setting ... sun" sign • Vascular ... disease (stroke ... #neurology #diagnosis
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
#Syndromes #CVA ... Territory #Symptoms #Signs ... Localization #Effects #Neurology ... #Diagnosis #Table ... Neurology - https
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Campylobacter jejuni - HIV ... Decreased / Absent Reflexes ... #Syndrome #diagnosis ... management #treatment #neurology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Tuberculosis • Epstein-Barr ... Hepatitis • HIV ... Pulmonary Disease Neurologic ... Sclerosis • Stroke ... Chronic Fatigue Syndrome
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Algorithm Red ... papilledema • Horner syndrome ... history of cancer, HIV ... conditions: • Stroke ... #Algorithm #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Poliomyelitis, Guillain-Barre ... heavy metals), Critical ... poisoning, Scorpion sting ... #differential #diagnosis ... #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... investigations depending on clinical ... context and signs ... cryoglobulins, hepatitis serology ... , HIV serology,