34 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Lymphoproliferative disorder ... , Autoimmune disorder ... BostonChiefs #Warm #Cold ... #hematology #diagnosis
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 ... #Workup #hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... Normal PT (INR) - Bleeding ... PT (INR) - No Bleeding ... #Hematology #coagulation ... #disorders
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology Atlas ... Iron-deficiency anemia ... Liver diseases, Bleeding ... RBC #Morphology #Atlas ... #differential #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... • Rheumatic disorders ... Iron deficiency anemia ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Sequestration Disordered ... Connective Tissue Disorders ... Coagulation #Bleeding ... #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... Cell Agglutinate: Cold ... , Paroxysmal cold ... differential #diagnosis #hematology ... #microscopy #atlas
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Poisoning • Anemia ... 80-100 fL) • Bleeding ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... (e.g. primary cold ... lymphoproliferative disorders ... differential #diagnosis #hematology ... #anemia
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... Diagnosis #Algorithm #Causes ... #Hematology