26 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Spherocytes • Treatment ... transient hemolysis • Treatment ... Hemolytic #Anemia #hematology ... #diagnosis #comparison
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... practices that could ... #Causes #Workup ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Artifact (redo CBC ... • Rheumatic disorders ... effect following treatment ... Algorithm #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... Agglutination - Cold ... membrane disorder ... #Algorithm #workup ... #hematology #testing
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... glucocorticoid treatment ... #Differential #diagnosis ... #hematology #eosinophilia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... infection, autoimmune disorder ... Blood smear - RBC ... Monoclonal IgM Includes Disorders ... hemolytic #anemia #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... Cell Agglutinate: Cold ... anemia, Paroxysmal cold ... #differential #diagnosis ... #hematology #microscopy
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... (e.g. primary cold ... lymphoproliferative disorders ... • Intrinsic RBC ... #hematology #anemia
Hematology Algorithms 

Anemia is described as a reduction in the proportion of the red blood cells.
Hematology Algorithms ... Pancytopenia is a hematologic ... majority of the leukocytes ... that involves disorders ... These causes could
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... (MCV): Average RBC ... (BM) ablative disorders ... Anemia #Algorithm #Diagnosis ... #Workup #Hematology