27 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... uremic syndrome ... ) (e.g. lupus, CLL ... differential #diagnosis #hematology ... #anemia
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... uremic syndrome ... #differential #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... inclusions - If infection ... #Anemia #Differential ... Algorithm #workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... • Symptoms of anemia ... anemia • Cold ... #hemolytic #anemia ... #hematology #diagnosis
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell ... anemia, Thalassemias ... Differential #Diagnosis #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Antibody-mediated hemolysis ... deficiency Infections ... Differential #Diagnosis #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Chronic kidney disease ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... defects (e.g. sickle cell ... Production #Index #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... - infiltrates (anemia ... • Tumor lysis syndrome ... #Leukemia #Hematology ... #Oncology #Diagnosis
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... myeloid leukemia (CML ... Diagnosis #Causes #hematology