31 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... hyperplasia of bone ... #Hemolytic #Anemia ... Causes #Workup #Hematology ... #Diagnosis *
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... anemia" • HELLP ... #differential #diagnosis ... #hematology #hemolysis
Aplastic Anemia and Bone Marrow Failure Syndromes with Pancytopenia

Fanconi Anemia
Acquired Aplastic Anemia
Dyskeratosis Congenita & Telemore Biology
and Bone Marrow ... Failure Syndromes ... Shwachman-Diamond Syndrome ... #Pancytopenia #Syndromes ... #diagnosis #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
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Differential Diagnosis ... Table Warm AIHA ... #Table #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 ... #Algorithm #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Hypogonadism • Bone ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #diagnosis #calculation
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
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Antibody-mediated hemolysis ... #Hematology
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