36 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner ... syndrome, history ... infection (e.g., meningitis ... Diagnosis #Algorithm #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... hypothalamus, and visual cortex ... meningeal irritation signs ... #differential # ... ophthalmology #Neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... status changes - Meningitis ... vasoconstriction syndrome ... #signs #symptoms ... #clues #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
- Differential ... Symptoms: • Headache ... : • Headache and ... Acute meningeal signs ... #diagnosis #neurology
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... myalgia, arthralgia, headache ... • Heralded by neurologic ... SSX (lymphocytic meningitis ... #diagnosis #signs
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Encephalopathy - Differential ... bacterial/viral meningitis ... paraneoplastic syndromes ... neurocognitive disease ... Encephalopathy #Differential
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... • Meniere's Disease ... symptoms/signs, ... Infection • Meningitis ... #Differential #
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... Reconstitution Inflammatory Syndrome ... • Papilledema, headache ... Tuberculosis #diagnosis #differential ... #TB #neurology
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
What’s the Core ... disease itself ... Infection (e.g., meningitis ... N Neurological signs ... confusion, focal signs
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Infectious: • Meningitis ... Miller-Fisher syndrome ... orbitopathy) • Corneal ... #Diplopia #Differential