36 results
Anemia - Hemolysis Diagnostic Algorithm
Autoimmune hemolytic anemia
Microangiopathic hemolytic anemia
Probable thalassemia

Dr. Eric Strong @DrEricStrong - Strong Medicine
Anemia - Hemolysis ... Autoimmune hemolytic ... hemolytic anemia ... #differential # ... workup
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Membrane): - Autoimmune ... Defects: Sickle cell anemia ... Haptoglobin ↓ - Lactate
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... - Drugs (Beta lactam ... Extravascular #Causes #differential ... #anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Diagnosis Algorithm ... Cold AIHA • PCH ... anemia • ... Prosthetic heart valves
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential ... idiopathic, malignancy, autoimmune ... disease, drugs, ... #Anemia #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... elliptocytosis, autoimmune ... #Anemia #Differential ... #workup #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Differential Diagnosis ... Cold Agglutinin Disease ... #Hemolytic #Anemia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... Diagnosis: • hemolytic ... Hyperbilirubinemia • Elevated lactate ... pts) Differential ... #hemolytic #anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
spherocytosis, Autoimmune ... hemolytic anemia ... hemolytic anemia ... RBC #Morphology #differential ... #diagnosis #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hallmark for the disease ... If the value is ... elevation Serum lactate ... WBC count and differential ... #Workup #Hematology