13 results
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... • Anemia: macrocytic ... #Hemolytic #Anemia ... #diagnosis #management ... #treatment #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... ) (e.g. lupus, CLL ... #differential # ... diagnosis #hematology ... #anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential ... • Sickle cell ... anemia • ... #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... hemolytic anemia ... hemolytic anemia ... #Morphology #differential ... #diagnosis #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
leukemia in adults • Disorder ... 5) Symptoms of anemia ... marrow failure with anemia ... Leukemia #oncology #hematology ... #management
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... (e.g. autoimmune ... #Diagnosis #Causes ... #hematology #secondary
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... membrane disorder ... elliptocytosis, autoimmune ... #Anemia #Differential ... #workup #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... : INR/PT, aPTT(liver ... changes), high MCV anemia ... Diagnosis #Causes ... #Workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... Diagnosis: • hemolytic ... anemia • Cold ... younger pts) Differential ... #anemia #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... hemolytic anemia ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management