9 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... lyme • Altered mental ... • Meningeal signs ... Systemic symptoms and signs ... Diagnosis #Algorithm #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... meningeal irritation signs ... : - Acute angle-closure ... #differential # ... ophthalmology #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... Bone Fracture Central ... symptoms/signs, ... Cerebellopontine Angle ... #Differential #
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... poisoning • Mental ... vasoconstriction syndrome, central ... #signs #symptoms ... #clues #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... work) - acute angle ... thrombophilia, neurologic ... signs/symptoms ... Dangerous #Deadly #Differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... signs or symptoms ... #Peripheral #Central ... Vertigo #Causes #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Symptoms: • Headache ... Meningitis: • Headache ... Acute meningeal signs ... #diagnosis #neurology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes of Headache ... Immunocompromised state - General ... Glaucoma—acute angle ... #redflags #signs ... #symptoms #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... 50 years • New headache ... affects the skin, neurologic ... Angiitis of the Central