21 results
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Cell Arteritis (GCA ... ANCA associated vasculitis ... Arthritis (RA), Systemic ... #Diagnosis #rheumatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash - Differential ... • Contact dermatitis ... • Bullous systemic ... Vesiculobullous #SkinRash ... #dermatology #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Pigmented Purpuric Dermatosis ... - GPA - EGPA ... #Diagnosis #hematology ... #rheumatology #
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential ... Rhinitis - Allergic Dermatitis ... Asthma Tugs (vasculitis ... Lymphomas - Systemic ... #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... lesions-interstitial keratitis ... #rheumatology # ... classification
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... a number of systemic ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Disease Vascular System ... • Steroids • Vasculitis ... #Hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... ANCA (C-ANCA): GPA ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... tract, and often causes ... - interstitial keratitis ... Diagnosis #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
inflammatory vasculitis ... very remarkable w/differential ... diagnosis = vasculitis ... identifies 85 to 95% of cases ... them, but urgent rheumatology