19 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... uremic syndrome ... #differential # ... diagnosis #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... • Bleeding • Hemolysis ... Disease (e.g. ... #Anemia #MCV #Classification ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
iron deficiency, hemolysis ... . autoimmune, TB ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... spherocytosis, Autoimmune ... Agglutinate: Cold autoimmune ... RBC #Morphology #differential ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... • Infections: Chronic ... #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Diagnosis Algorithm ... Myelodysplastic Syndromes ... #Macrocytosis #elevatedMCV ... #Causes #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Diagnosis Algorithm ... Causes: Chronic ... HgbE, HgbC, etc. ... #Macrocytosis #elevatedMCV ... #Causes #Hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
thrombocythemia), Autoimmune ... disease • vWF ... #Diagnosis #Management ... #treatment #hematology ... #differential
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
kidney disease, ... : Autoimmune, Microangiopathic ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Common Variable Immunodeficiency (CVID)

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