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Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... ) • Temporal arteritis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
meningitis), MCC CNS symptoms ... Behcet disease) Differential ... SLE, Reactive arthritis ... diagnosis #management #signs ... #symptoms #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... (aPL) 30-45% Differential ... autoantibodies #signs ... #symptoms #mimickers ... #differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
to Joint Pain - Arthritis ... Differential Diagnosis ... noninflammatory Signs ... constitutional symptoms ... Joint #pain #Differential
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... absence of visual symptoms ... GCA #Temporal #Signs ... #Symptoms #Diagnosis
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
temporal (giant cell) arteritis ... shoulder girdle symptoms ... thrombophilia, neurologic signs ... /symptoms in non-arterial ... Dangerous #Deadly #Differential
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... arteries - Temporal arteritis ... #headache #signs ... #symptoms #clues ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... Presentation: Systemic Symptoms ... purpura: Strong sign ... • Progressive symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... and often causes arthritis ... Glomerulonephritis, arthritis ... Presentation - Systemic Symptoms ... purpura: strong sign
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
with the same symptoms ... immunization Temporal arteritis ... headache #redflags #signs ... #symptoms #differential