13 results
Approach to Headaches - Differential Diagnosis Algorithm

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

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... Diagnosis Framework ... - Autonomic symptoms ... meningeal irritation signs ... #differential #
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
- Differential ... Coltivirus Symptoms ... : • Headache ... influenzae Symptoms ... Acute meningeal signs
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... status changes - Meningitis ... #signs #symptoms ... #clues #differential ... #diagnosis
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... • Fever • Headache ... ): • Aseptic meningitis ... dysfunction) • Pulmonary ... #Illness #Signs
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
of Tuberculous Meningitis ... later stage) • Headache ... • Papilledema, headache ... #Tuberculosis #diagnosis ... #differential #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
with the same symptoms ... eg, furnaces) Meningitis ... #redflags #signs ... #symptoms #differential ... #emergency #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
lesions, aseptic meningitis ... ), MCC CNS symptoms ... (headache and diplopia ... Behcet disease) Differential ... #management #signs
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... , systemic or meningitic ... MC: CNS CSF: • ... infection (~40%) • Meningitis ... Invasive Disease: • Meningitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... 50 years • New headache ... • Progressive symptoms ... of headache, cognitive