13 results
diagnosis differential hematology vasculitis workup anemia hemolytic management pancytopenia agglutinin causes champs classification cold deficiency fever glomerulonephritis huv igg4 immunecompromised
Pathophysiology of Hypocomplementemic Urticarial Vasculitis C1q/anti-C1q antibiody -> Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Complex Formation - Complement ... TerrierBen #Hypocomplementemic ... Pathophysiology #Rheumatology
Causes of Hypocomplementemia - CHAMPS Mnemonic C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... #differential #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... (Granulomatous disease ... against MPO • Complement ... differential #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... involvement: Anti-GBM Disease ... differential #diagnosis #algorithm ... #rheumatology
IgG4-Related Disease Clinical history: Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor 4 phenotypes: •
IgG4-Related Disease ... rheumatoid factor), ± hypocomplementemia ... IgG4 #Related #Disease ... workup #treatment #rheumatology
Complement Deficiency Testing Algorithm • Normal CH50 and AH50 AND High suspicion for complement deficiency •
Complement Deficiency ... Testing Algorithm ... suspicion for complement ... #Deficiency #Testing ... #Algorithm #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... Consider sickle cell disease ... Differential #Diagnosis #Algorithm ... #workup #hematology ... #testing
Vasculitis - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions • Mononeuritis multiplex • Hematuria, proteinuria,
atherosclerotic disease ... most important diseases ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic ... Differential #Diagnosis #Rheumatology
Cold Agglutinin Disease 3 Types of Cold Sensitive Antibodies: 1. Cold Agglutinins (CAD) 2. Donath-Landsteiner
Cold Agglutinin Disease ... Positive Coombs testing ... post infectious setting ... temperatures by fixing complement ... hemolytic #anemia #hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm Consumption Disorders 1. Autoimmune Mediated Pancytopenia 2. Splenic Sequestration Peripheral Destruction
Differential Diagnosis Algorithm ... Eating disorders ... Metastatic Disease ... Differential #Diagnosis #Algorithm ... #Hematology
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