16 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
(sometimes) Macrocytic ... Unstable hemoglobin disorders ... hemolytic anemia ... RBC #Morphology #differential ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... (BM) ablative disorders ... #Algorithm #Diagnosis ... #Workup #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Agglutination - Cold ... Consider RBC membrane disorder ... #Anemia #Differential ... #workup #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Lead poisoning • Macrocytic ... spherocytosis, Hemolytic ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... anemiaCold ... younger pts) Differential ... #hemolytic #anemia ... #hematology #diagnosis
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Hepatomegaly • Skin ... cells can indicate disease ... • Neutropenia, anemia ... #workup #oncology ... #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... • AIHA: warm, cold ... #Anemia #Differential ... #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... Autoimmune: Warm AIHA, Cold ... anemia, Thalassemias ... Diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... practices that could ... changes), high MCV anemia ... #Workup #hematology