10 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
== Decreased RBC ... Iron, B-12, or folate ... Reduction == Increase ... HgbA1c #Laboratory #Increase ... #Decrease #Diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Algorithm Blood ... Deficiency • B12/Folate ... #Algorithm #Causes ... #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Algorithm Decreased ... WBCs - Decreased ... #Algorithm #Causes ... #Hematology
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Deficiency • Decreased ... have hemolytic anemia ... anticonvulsants lead to increase ... #differential #diagnosis ... #hematology #nutrition
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Algorithm Decreased ... Megakaryopoiesis • Aplastic Anemia ... Deficiency • Folate ... #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
- Differential Diagnosis ... Algorithm Decreased ... #Differential #Diagnosis ... #Algorithm #Causes ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... Algorithm Normal ... Malabsorption • Increased ... #Algorithm #Causes ... #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Algorithm • Sickle ... without platelet decrease ... #hematology #testing
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Mild-to-moderate decrease ... result in severe anemia ... immune hemolytic anemia ... Mild-to-moderate elevation ... #Workup #Hematology
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Increased hepcidin ... Decreased hepcidin ... Hematologic Malignancy ... Sideroblastic anemia ... extreme ferritin elevation