15 results
diagnosis differential rheumatology workup anemia causes disease glomerular glomerulonephritis hemolytic management nephrology systemic agglutinin classification deficiency dermatology erythematosus extravascular gammopathy
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
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
staining): • Low Complement ... Post-strep GN, Lupus Nephritis ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
Cold Agglutinin Disease 3 Types of Cold Sensitive Antibodies: 1. Cold Agglutinins (CAD) 2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Positive Coombs testing ... post infectious setting ... temperatures by fixing complement ... hemolytic #anemia #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
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
Hemolytic Anemia - Differential Diagnosis Algorithm • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... Agglutination - Cold ... cardiac valve, vasculitis ... #workup #hematology ... #testing
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... Rheumatologic, Vasculitides ... disease, Kawasaki, Nephrotic ... Differential #Diagnosis #Algorithm ... #hematology
SLE (Systemic Lupus Erythematosus) Suspect: Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... ANCA-associated vasculitis ... • Mesenteric vasculitis ... vein thrombosis Hematologic ... RNP antibodies, Complement
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
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 ... #nephritic #nephrology
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