12 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Agglutinin Disease ... MatthewHoMD #Autoimmune ... #Hemolytic #Anemia ... Diagnosis #Table #hematology
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic ... esp if severe disease ... #Autoimmune #Hemolytic ... Treatment #management ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Immune-mediated: - Autoimmune ... (AIHA) "Warm" ( ... idiopathic) - Autoimmune ... (AIHA)"Cold" (usually ... differential #diagnosis #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... ), C3d ( - ) WAIHA ... agglutinin disease ... antiglobulin #test #DAT #Autoimmune ... #Hemolysis #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... : Warm AIHA, Cold ... AIHA, Transfusion ... Differential #Diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... Viral infection, autoimmune ... CLL (older) • Autoimmune ... sensitize red blood cells ... #hematology #diagnosis
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Causes: • Liver disease ... Hypersplenism • AIHA ... : warm, cold, drug ... Diagnosis #causes #classification ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Algorithm • Sickle cells ... Agglutination - Cold ... elliptocytosis, autoimmune ... Algorithm #workup #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
lymphocytes, smudge cells ... cytopenias (ITP, AIHA ... chemotherapy for low-risk disease ... Leukemia #oncology #hematology ... hemeonc #diagnosis #management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Immunosuppression • Autoimmune ... nodosum • Immune hemolytic ... number of sites of disease ... #hematology #oncology ... #management