9 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... thunderclap) of worst headache ... brain lesion • CNS ... MatthewHoMD #Headache ... #neurology #PHANTOMS
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Photophobia and Headache ... - Differential ... meningeal irritation signs ... • CNS Vasculitis ... ophthalmology #Neurology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... coagulopathy, decreased ... thrombophilia, neurologic ... signs/symptoms ... #Diagnosis #Headache
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... → Syncope • Signs ... sweaty skin - Decreased ... sensations - Headache ... Disorientation, Headache
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Symptoms: • Headache ... /L) • Mildly decreased ... features include - Headache ... Meningitis: • Headache ... Acute meningeal signs
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... Headache/ retro-orbital ... Progressive increase ... nervous system [CNS ... ALT > 1000 IU), CNS
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... basal ganglia, CNS ... symptoms (headache ... Behcet disease) Differential ... diagnosis #management #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... artery tenderness - decreased ... Progressive symptoms of headache ... chorioretinitis, CNS
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... systemic sx + signs ... very remarkable w/differential ... claudication, headaches ... GCA #Temporal #Signs