22 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... #Hemolytic #Anemia ... #Algorithm #Differential ... #Causes #Workup ... #Hematology #Diagnosis
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential ... Diagnosis Algorithm ... anemia • ... #Causes #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... Hypersplenism • Secondary ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... #differential # ... diagnosis #hematology ... #anemia
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... SCD, thalassemias ... • AIHA: warm, cold ... #Anemia #Differential ... classification #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... lymphoproliferative disorder Secondary ... anemiaCold ... younger pts) Differential ... #anemia #hematology
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Autoimmune Hemolytic ... Anemia (AIHA) ... alpha-methyldopa COLD ... Diagnosis #Differential ... #Algorithm
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold ... #Anemia #Differential ... #workup #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
disease, Hemoglobin SD ... Cell Agglutinate: Cold ... cold hemoglobinuria ... RBC #Morphology #differential ... #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Diagnosis Secondary ... malignancies • Anemia ... iron deficiency, hemolysis ... #hematology #secondary