37 results
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... anemia" • HELLP ... #differential #diagnosis ... #hematology #hemolysis
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Hemolytic Anemia ... Spherocytes • Treatment ... • Treatment: Warm ... #Anemia #hematology ... #diagnosis #comparison
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... Inflammation • Cancer ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... ) - HELLP syndrome ... uremic syndrome ... #hematology #anemia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... Rebound effect from treatment ... #Algorithm #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 ... telomeropathy Cancer ... Antibody-mediated hemolysis ... #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... spherocytosis, Hemolytic ... uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
infiltration (e.g. cancer ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #diagnosis #calculation
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... malignancies • Anemia ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... #Causes #hematology
Hemolysis - Differential Diagnosis Framework

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