34 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... microangiopathy: Thrombotic thrombocytopenic ... #differential # ... diagnosis #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... • Bleeding • Hemolysis ... (e.g. ... #MCV #Classification ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #Diagnosis #hematology ... #rheumatology #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Thrombocytopenia ... Rare • Drugs (e.g ... • Steroids • Vasculitis ... #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential ... Diagnosis Algorithm ... Inflammatory • Systemic ... Serum Sickness Hemolytic ... #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Schistocytes, thrombocytopenia ... cardiac valve, vasculitis ... #Anemia #Differential ... #workup #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... #Anemia #Differential ... #Diagnosis #causes ... #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
uremic syndrome ... Thrombotic idiopathic thrombocytopenia ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Microangiopathic Hemolytic ... Cold autoimmune hemolytic ... RBC #Morphology #differential ... #diagnosis #hematology