15 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Hemolytic Anemia ... Lymphoproliferative disorder ... , Autoimmune disorder ... #Anemia #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... (e.g. primary cold ... lymphoproliferative disorders ... differential #diagnosis #hematology ... #anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... Unstable hemoglobin disorders ... Cell Agglutinate: Cold ... cold hemoglobinuria ... differential #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... symptoms - most common ... • Symptoms of anemia ... anemiaCold ... #anemia #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... of Chronic Disease ... 80-100 fL) • Bleeding ... • Hemolysis ... Algorithm #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Agglutination - Cold ... Consider RBC membrane disorder ... #Anemia #Differential ... Algorithm #workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... hemorrhage) • Chronic ... inflammatory disorders ... Diagnosis #Causes #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- History of bleeding ... epistaxis, gingival bleeding ... practices that could ... changes), high MCV anemia ... Causes #Workup #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... Overview: • Most common ... leukemia in adults • Disorder ... 5) Symptoms of anemia ... Leukemia #oncology #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... Autoimmunity • Chronic ... and autoimmune hemolytic ... anemia) • Systemic ... hypogammaglobulinemia #immunology #hematology