28 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... staining): • Low Complement ... Idiopathic • Normal Complement ... #Vasculitis #differential ... #diagnosis #algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and often causes arthritis ... , arthritis, obstructive ... syndrome - Coronary arteries ... mucositis - Rash, arthritis ... against MPO • Complement
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Membranoproliferative Glomerulonephritis ... staining (lg + complement ... Sjogren's, rheumatoid arthritis ... MGPN • Complement ... Membranoproliferative #Glomerulonephritis
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
rapidly progressive glomerulonephritis ... ANCA Associated Vasculitis ... anti-GBM) 10%: - Low Complement ... - Normal Complement ... Renal Crisis, IgA Vasculitis
Diagnosis and management of Polyarteritis Nodosa (PAN)

Chapel Hill 2012 definition: 
Necrotizing vasculitis ofmedium or small arteries
Necrotizing vasculitis ... ofmedium or small arteries ... without glomerulonephritis ... or vasculitis in ... involvement French Vasculitis
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
Conditions With Arteritis ... BP Giant cell arteritis ... multiplex ANCA vasculitis ... Hemoptysis - Glomerulonephritis ... Leukocytoclastic vasculitis
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 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
Skin ulcers - Glomerulonephritis ... arthralgia, and arthritis ... • Low serum C4 complement ... • Vasculitis ... SLE), rheumatoid arthritis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
GCA (Giant Cell Arteritis ... , pauci-immune glomerulonephritis ... (Glomerulonephritis ... Mononeuropathy, Glomerulonephritis ... , arthritis, obstructive