7 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... brain lesion • CNS ... infection (e.g.
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
symptoms (headache ... disease) Differential ... #Syndrome #diagnosis ... #management #signs ... #symptoms #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... vasculitis • Behcet ... chorioretinitis, CNS ... #Diagnosis #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
arteritis (GCA) ... with systemic, neurologic ... systemic sx + signs ... vs infection vs ... #Signs #Symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
VASCULITIS: • Behçet ... to exclude are infections ... Presentation - Systemic Symptoms ... purpura: strong sign ... #diagnosis #rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Lymphadenopathy, CNS ... Constitutional symptoms ... #HIV #AIDS #pulmonary
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... symptomsRheumatologic ... yeast • At risk: AIDS ... Aspergillosis Pathophysiology ... Meningitis, septic arthritis