15 results
diagnosis differential rheumatology anemia hemolytic management disease huv urticarial workup agglutinin autoimmune causes champs classification comparison criteria erythematosus extravascular glomerulonephritis
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV) Diagnosis of HUV 1) Chronic urticaria 2) Leukocytoclastic vasculitis 3)
Management of Hypocomplementemic ... Urticarial Vasculitis ... 3) Hypocomplementemia ... TerrierBen #Hypocomplementemic ... Diagnosis #Management #Rheumatology
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 ... TerrierBen #Hypocomplementemic ... Pathophysiology #Rheumatology
Causes of Hypocomplementemia - CHAMPS Mnemonic C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... #differential #hematology
Warm vs Cold Autoimmune Hemolytic Anemia Warm Autoimmune Hemolytic Anemia: • Mechanism: IgG and Complement-mediated • Etiology:
Warm vs Cold Autoimmune ... Mechanism: IgG and Complement-mediated ... Mechanism: IgM and Complement-mediated ... BostonChiefs #Warm #Cold ... #Anemia #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm Extravascular - Spleen and RES-mediated hemolysis -
Differential Diagnosis Algorithm ... Warm AIHA • Cold ... perfringens - Complement-Mediated ... • Cold AIHA ... #Causes #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
Vasculitis and Vasculitides ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... differential #diagnosis #rheumatology
Cold Agglutinin Disease 3 Types of Cold Sensitive Antibodies: 1. Cold Agglutinins (CAD) 2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Diagnosis: • hemolytic ... • Compensated hemolysis ... temperatures by fixing complement ... #anemia #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... Agglutination - Cold ... cardiac valve, vasculitis ... Differential #Diagnosis #Algorithm ... #workup #hematology
Vasculitis - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions • Mononeuritis multiplex • Hematuria, proteinuria,
pulmonary infiltrates, hemoptysis ... infiltrates/cavities, hemoptysis ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic ... 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 ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
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