106 results
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
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Pathophysiology ... of Hemolytic Anemia ... - Defects in RBC ... environment #Pathophysiology ... #Hemolytic #Anemia
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Iron-deficiency anemia ... Myelodysplastic syndrome ... Hemolytic uremic syndrome ... coagulopathy (DIC) #RBC
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Even with normal WBC ... likelihood of negative clinical ... relative to both WBC ... #pathophysiology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Constitutional Syndromes ... Clinical Presentation ... Constitutional Syndromes ... Pancytopenia: • ↓ RBC ... • ↓ WBC • ↓
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Neutrophils - Low RBC ... • Pernicious Anemia ... Myelodysplastic Syndromes ... Cells, Normal WBCs
Hematology Algorithms 

Anemia is described as a reduction in the proportion of the red blood cells.
RBC are produced ... Approximately 1% of RBC ... destruction of RBC ... well as varying clinical ... Mentzer index = (MCV/RBC
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
Refeeding Syndrome ... Pathogenesis and clinical ... Serum PO4 -> decr RBC ... hemolysis - anemia ... #diagnosis #pathophysiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... Leukostasis: • Pathophysiology ... blasts and high WBC ... • Lab values: WBC ... : • Pathophysiology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
2) External (RBC ... Drug-associated, PCH, Evans Syndrome ... 3) Internal (RBC ... Defects: Sickle cell anemia
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... • Intrinsic RBC ... diagnosis #hematology #anemia