44 results
Aplastic Anemia Summary

 • Definition
 • Pathophysiology
 • DDx: AA vs Hypocellular MDS
 • Expectation
 •
Aplastic Anemia ... Expectation • Rx Algorithm ... @ZhuoerXie #Aplastic ... #Anemia #diagnosis ... #oncology #hematololgy
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Algorithm Blood ... Loss • Acute ... Deficiency • Aplastic ... #Algorithm #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Algorithm Decreased ... • Marrow Aplasia ... Normal RBCs • Acute ... #Algorithm #Causes
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential Diagnosis ... Algorithm Signs ... • Extrinsic RBC ... #Differential #Diagnosis ... #Algorithm #hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... result from low blood ... #Anemia #oncology ... #hematology #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
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... marrow failure: Aplastic ... Index > 3: • Acute ... blood loss: Trauma ... #differential #diagnosis
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach ... Diagnosis Framework ... Non-hemolytic: ACD, Aplastic ... Spherocytosis, G6PD, PK, HbC ... #MCV #Algorithm
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Hypertriglyceridemia • Uremia ... turnover • Acute ... blood loss • ... Hemolytic anemia ... Increase #Decrease #Diagnosis
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Algorithm Mean ... in peripheral blood ... High in acute blood ... #Algorithm #Diagnosis