33 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Diagnosis Algorithm Signs ... Hemolysis: • Autoimmune ... • Extrinsic RBC ... • Intrinsic RBC ... Diagnosis #Algorithm #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , deficiency anemia ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Autoimmune Mediated ... HLH syndrome 5. ... Acquired Aplastic Anemia ... Diagnosis #Algorithm #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Autoimmune Mediated ... HLH syndrome 5 ... Acquired Aplastic Anemia ... Diagnosis #Algorithm #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Myelodysplastic syndrome ... Malignant tumors, Acute ... Hemolytic uremic syndrome ... #differential #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis): • Acute ... malignancies • Anemia ... disorders (e.g. autoimmune ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Index > 3: • Acute ... • Hemolysis: Autoimmune ... , Intrinsic RBC ... Production #Index #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... cytopenias (usually anemia ... transformation to acute ... Management #treatment #hematology ... #oncology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
2) External (RBC ... Membrane): - Autoimmune ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... Differential #Diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... • Intrinsic RBC ... differential #diagnosis #hematology ... #anemia