10 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... Polyarteritis Nodosa: - Kidneys ... Kidneys -> glomerulonephritis ... against MPO • Complement ... #rheumatology #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 ... • Limited to Kidney ... #Vasculitis #differential ... #diagnosis #algorithm
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... - Classification ... - Small vessel vasculitis ... Post-infectious glomerulonephritis ... #AKI #Acute #Kidney
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
musculoskeletal systems • Kidneys ... , pauci-immune glomerulonephritis ... (Glomerulonephritis ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... related) - Glomerulonephritis ... or vasculitis — ... Nephrology #Diagnosis #Algorithm
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... and signs • Glomerulonephritis ... / Vasculits: ANCA ... #AKI #Workup #Algorithm
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... • Low serum C4 complement ... • IgA vasculitis ... • Vasculitis ... diagnosis #types #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... RNP antibodies, Complement ... C4) • ds-DNA: Kidney ... induced SLE • Kidney
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
aortitis, mimics vasculitis ... • Kidneys: Tubulointerstitial ... - ↑ IgE, ↓ complement ... • Classification
Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
MGRS refers to kidney ... damage, especially kidneys ... guide subtype classification ... tubulopathy) - Complement ... formation causing vasculitis