31 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
uremic syndrome ... ) (e.g. lupus, CLL ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... organ or stem cell ... anemia" • HELLP syndrome ... #diagnosis #hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Increased red cell ... #Algorithm #Differential ... #Causes #Workup ... #Hematology #Diagnosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology Atlas ... Myelodysplastic syndrome ... uremic syndrome ... key #diagnosis #differential ... #hematology
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... thrombocytopenic purpura/hemolytic ... uremic syndrome ... thrombocytopenia, Hematology ... #Diagnosis #Differential
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
iron deficiency, hemolysis ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... myeloid leukemia (CML ... Diagnosis #Causes #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... Rebound effect from treatment ... Diagnosis #Algorithm #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Consider sickle cell ... Consider RBC membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... and Differential ... HLH syndrome 5. ... Eating disorders ... Diagnosis #Algorithm #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... Cold Agglutinin Syndrome ... younger pts) Differential ... significance (MGUS), CLL ... #anemia #hematology