425 results
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Complement Levels - C3 ... , C4 • SLE C3 ... • MCGN type 1 C3 ... ↓ C4 ↓↓ • Cryo ... C3 ↓ C4 ↓↓ •
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... IgG positive, C3 ... IgG negative, C3 ... Autoimmune #Hemolytic #Anemia
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Autoimmune Hemolytic Anemia ... Autoimmune Hemolytic Anemia ... positive for IgG +/- C3 ... Autoimmune Hemolytic Anemia ... Coombs Positive for C3
Differential Diagnosis of Anemias #Diagnosis #IM #Honc #Anemia #Differential #Iron #Algorithm #Microcytic #Macrocytic #Normocytic #Ddxof
Differential Diagnosis of Anemias ... Diagnosis #IM #Honc #Anemia
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Autoimmune Hemolytic Anemias ... Alloimmune Hemolytic Anemias ... #Hemolytic #Anemias
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Mediated: • ↓C3 ... Cryoglobulinemia • Normal C3
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
NEUROLOGIC - HEMOLYTIC ANEMIA ... Low complement (C3 ... absence of hemolytic anemia
Herpes Zoster C3 Distribution: Dermatomally distributed vesicles, many of which have coalesced, 
in patient with HZV
Herpes Zoster C3 ... HZV #Dermatomal #C3
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Chronic disease anemia ... Sideroblastic anemia ... iron deficiency anemia ... Autoimmune hemolytic anemia
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
breakdown • Anaemia ... Hemolysis #Hemolytic #Anemia