17 results
diagnosis differential rheumatology nephrology hematology workup aki anemia causes classification deficiency disease glomerular hemolytic nephrotic pulmonary renal syndrome acute acutekidneyinjury
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
Causes of Hypocomplementemia - CHAMPS Mnemonic C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis H - Heavy Chain deposition
Causes of Hypocomplementemia ... Membranoproliferative glomerulonephritis ... Post/pauci immune glomerulonephritis ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
• Glomerulonephritis ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... , Glomerulonephritis ... against MPO • Complement
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
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
Vasculitis - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions • Mononeuritis multiplex • Hematuria, proteinuria,
, pauci-immune glomerulonephritis ... (Glomerulonephritis ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic ... Mononeuropathy, Glomerulonephritis
Pulmonary Renal Syndrome Definition: Diffuse alveolar hemorrhage + Glomerulonephritis Presentation (Pulmonary and renal manifestations can occur weeks apart):
alveolar hemorrhage + Glomerulonephritis ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... Disease-specific testing
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 ... #rheumatology #vasculitis
Recommended initial testing for patients being evaluated for glomerular disease 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... or alternative complement ... for ANCA-related vasculitis ... #glomerular #testing ... workup #diagnosis #glomerulonephritis
Guide to Acute Kidney Injury (AKI) What to ask/look for: - HPI, PMH, full ROS
related) - Glomerulonephritis ... or vasculitis — ... Nephrology #Diagnosis #Algorithm
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