10 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... Systemic symptoms and signs ... Space-occupying brain ... (e.g., meningitis ... #Algorithm #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... : • Traumatic brain ... photophobia • Meningitis ... meningeal irritation signs ... ophthalmology #Neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... : • Headache and ... Acute meningeal signs ... rav7ks #CNS #Infections ... #neurology #meningitis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... : Brain abscess ... endocrine: Vitamin B12 ... Lack of UMN/LMN signs ... #neurology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
eg, furnaces) Meningitis ... of sinus or ear infection ... of congenital brain ... #redflags #signs ... differential #emergency #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... Check Vitamin B12 ... ruled out • Brain ... MRI: Check for brain ... #management #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myotonic dystrophy - Brain ... test - Cogan sign ... - Peek sign ... precipitated by: Drugs, infection ... #management #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... lesions, aseptic meningitis ... CNS symptoms (headache ... oral ulcers in 12 ... #management #signs
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
w/ progressive Headache ... Diagnosis? ... organism (soap bubble sign ... drained at time of diagnosis ... #T2 #MRI #Brain
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... duration is 6 to 12 ... pulmonary, systemic or meningitic ... • Sinusitis • Brain ... (~40%) • Meningitis