10 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
history of cancer, HIV ... brain lesion • CNS ... infection (e.g. ... , meningitis) ... #Algorithm #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine • MCC- acute ... cord infarct • HIV ... Tethered cord • Guillain-Barre ... decompression #CaudaEquina ... #causes #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... : • Acute meningeal ... signs (fever, nuchal ... culture or by serology ... #diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
#SpinalCord #Injury ... #Syndromes #diagnosis ... #pathophysiology ... #signs #symptoms ... #orthopedics #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Pathophysiology ... response preceding infection ... Campylobacter jejuni - HIV ... Decreased / Absent Reflexes ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
(GBS) Acute autoimmune ... immunodeficiency virus (HIV ... depressed deep tendon reflexes ... than one after symptom ... #management #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
and signs below ... Infections: - ... HIV, CMV, HTLV ... #spinal #cord #spinalcord ... #neurology #differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... Increased Jaw Jerk reflex ... fasciculations Common Symptoms ... motor neurons - IV ... Lateral #Sclerosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... • Bilateral signs ... and/or symptoms ... simplex virus, HIV ... #management #neurology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
by culture or serology ... especially the CNS ... MC: CNS CSF: • ... Aspergillosis Pathophysiology ... : • Serology for