131 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... - Goodpasture syndrome ... - Schnitzler syndrome ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Interstitial lung disease ... and Sjogren's syndrome ... • IgA vasculitis ... #vasculitis #differential
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Non-Infectious: • Rheumatologic ... Mediterranean Fever • Vasculitis ... : EGPA, Horton Disease ... , Takayasu Disease ... Diagnosis #Causes #cardiology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... : • Behcet Disease ... • Cogan syndrome ... #dermatology #rheumatology ... #differential #
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
and Mimics - Differential ... ANCA Associated Vasculitis ... - Anti-GBM Disease ... , Behcet's Disease ... #Mimics #Differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Non-Infectious Aortitis: • Vasculitides ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... #Diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... Goodpasture's syndrome ... diagnosis #table #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... : • Behçet Syndrome ... • Cogan Syndrome ... Differential ... #rheumatology #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Vasculopathy #Purpura #Differential ... #rheumatology #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... #differential #