13 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Diagnosis Algorithm ... elliptocytosis - RBC ... circulation - ... anemia • ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... • Intrinsic RBC ... G6PD deficiency) ... #Hemolytic #Intravascular ... #hematology #anemia
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
of anemia and hemolysis ... : • Autoimmune ... (AIHAs) • Alloimmune ... #Diagnosis #Algorithm ... #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... 1) DIAGNOSE AIHA ... #Hemolytic #Anemia ... #diagnosis #management ... #treatment #rheumatology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
to Anemia - Differential ... Sideroblastic anemia ... ACD, Aplastic anemia ... MatthewHoMD #Anemia ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... elliptocytosis, autoimmune ... #Anemia #Differential ... #Diagnosis #Algorithm ... #workup #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Index < 2: • Anemia ... : Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology ... #diagnosis #calculation
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Chronic Myelogenous Leukemia ... effect following treatment ... malignancy • Iron deficiency ... anemia #Thrombocytosis ... #Hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
5) Symptoms of anemia ... marrow failure with anemia ... AIHA, PRCA) • Treatment ... #oncology #hematology ... #management
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... • Symptoms of anemia ... Diagnosis: • hemolytic ... anemia • Cold ... #anemia #hematology