17 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Cryoglobulins • HIV ... • HBV HCV • ... #rheumatology # ... classification
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... Vasculitis There ... #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... deficiency • Liver ... Cryoglobulinemia (MIXED) • ANCA ... #Diagnosis #hematology ... #rheumatology #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
(C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm ... #rheumatology
Eosinophilic Granulomatosis with Polyangiitis (EGPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Active
Polyangiitis (EGPA) - ANCA ... Vasculitis Management ... Algorithm - ACR ... Severe → Pulse IV ... #rheumatology
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... basement membrane; ANCA ... #Diagnosis #Rheumatology ... #Differential # ... Medium #Large #Classification
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Nodosa (PAN), ANCA ... associated vasculitis ... Paracoccidioides • Viruses: HIV ... #Diagnosis #rheumatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... #Anemia #MCV #Classification ... #Differential # ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Diagnosis Algorithm ... Quinidine • HIT ... HUS • DIC • Vasculitis ... #Causes #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... • Steroids • Vasculitis ... Iatrogenic) • Liver ... #Causes #Hematology