9 results
Table of hemoglobin defects 

Alpha-Thal-2 
Alpha-Thal-1
Hb H disease 
Beta-thal minor 
Beta-thal major 
Beta-thal intermediate
Hb E trait
Hb
hemoglobin #defects #hemoglobinopathy
Etiology of Splenic Infarction:
 • Hypercoagulability: Factor V Leiden, Antiphospholipid syndrome, Malignancy
 • Embolic disease: Atrial
Gaucher disease • Hemoglobinopathy
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Acrocyanosis Hemoglobinopathy
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Cells • Hemoglobinopathy
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Congenital • Hemoglobinopathy
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
• Congenital Hemoglobinopathy
Causes of Splenic Infarcts - Differential Diagnosis
 • Myeloid disorders: Myeloproliferative neoplasms (myelofibrosis, polycythemia vera, essential
• Lymphomas • Hemoglobinopathy
Conditions Associated With Hyperferritinemia 
DDx of extreme hyperferritinemia >10,000
Not just HLH - in fact, most common
Malignancy - Hemoglobinopathy
Indications for Transfusion
Packed RBCs
 • Hgb <7 g/dL or hematocrit <21% in a patient with uncompromised
disease, sepsis, or hemoglobinopathy