23 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Urticarial Vasculitis ... Complex Formation - Complement ... Formation -> Vasculitis ... TerrierBen #Hypocomplementemic
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and often causes arthritis ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... #rheumatology #classification
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis ... #Vessel #Size #Classification ... #Differential #Algorithm
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
affects large arteries ... affects medium arteries ... vessels, but medium arteries ... rarely affects arteries ... Medium #Large #Classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... large vessels - Arteritis ... temporalis (giant-cell arteritis ... - Takayasu arteritis ... dermatomyositis #Size #Classification
2021 ACR/VF Guidelines for Management of Giant Cell Arteritis (GCA)

#GiantCell #Arteritis #GCA #ACR2021 #Management #rheumatology #algorithm
of Giant Cell Arteritis ... ) #GiantCell #Arteritis ... #rheumatology #algorithm ... #vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
GCA (Giant Cell Arteritis ... mucositis • Rash, arthritis ... and often causes arthritis ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Vasculitis Management - ACR/VF 2021 Guidelines for Treatment & Management
 • Giant Cell Arteritis (GCA)
 •
Vasculitis Management ... • Giant Cell Arteritis ... • Takayasu's arteritis ... @MithuRheum #Vasculitis ... ACR2021 #Guidelines #algorithm
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
arthralgia, and arthritis ... • Low serum C4 complement ... • Vasculitis ... SLE), rheumatoid arthritis ... diagnosis #types #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm