21 results
Aplastic Anemia Summary

 • Definition
 • Pathophysiology
 • DDx: AA vs Hypocellular MDS
 • Expectation
 •
Aplastic Anemia ... Definition • Pathophysiology ... @ZhuoerXie #Aplastic ... #Anemia #diagnosis ... #oncology #hematololgy
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... elliptocytosis - RBC ... immune-complex hemolytic anemia ... • Acute HTR ... #Differential #Diagnosis
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Aplastic Anemia ... Illness Script Signs ... Diagnosis: • Pancytopenia ... progress to MDS or acute ... #Anemia #diagnosis
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... • ↓ WBC • ↓ ... #Anemia #oncology ... #hematology #diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Blood Loss • Acute ... Deficiency • Aplastic ... AnemiaAnemia ... #Differential #Diagnosis
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... - Differential Diagnosis ... • Marrow Aplasia ... Normal RBCs • Acute ... #Differential #Diagnosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Malignant tumors, Acute ... , Disseminated intravascular ... coagulopathy (DIC) #RBC ... Morphology #Atlas #key #diagnosis
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Syndrome (MD) - Diagnosis ... dys- (abnormal) -plastic ... cytopenias (usually anemia ... transformation to acute ... treatment #hematology #oncology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... marrow failure: Aplastic ... Index > 3: • Acute ... , Intrinsic RBC ... #differential #diagnosis
Therefore, studies obtained at the initial presentation in the emergency department should evaluate for fibrinolysis with
complete blood count (CBC ... to evaluate for anemia ... typically reveal in acute ... #Diagnosis #Honc ... #Disseminated #Intravascular