15 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
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
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... inflammatory disorders ... (e.g. autoimmune ... #Diagnosis #Causes ... #hematology #secondary
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... 5) Symptoms of anemia ... marrow failure with anemia ... #Chronic #Lymphocytic ... Leukemia #oncology #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential ... • Sickle cell ... anemia • ... #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
: Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... membrane disorder ... elliptocytosis, autoimmune ... #Anemia #Differential ... #workup #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... lymphoproliferative disorders ... • Neutropenia, anemia ... #Chronic #Lymphocytic ... workup #oncology #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