7 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... and Reduction in HbA1c ... Content • RBC Transfusions ... blood loss • Hemolytic ... Effect • RBC Transfusions
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Hemolysis on labs ... Causes purpura & ... TRALI): Leading cause ... more likely to cause
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency - Causes ... of Decreased Folic ... Pregnancy, Infancy, Hemolysis ... Folate #Deficiency #FolicAcid
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... intake • Blood transfusion ... of injection Decreased ... Differential #Diagnosis #Causes
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Deficiency • Decreased ... pregnant have hemolytic ... folate that can cause ... anticonvulsants lead to increase ... Folate #deficiency #FolicAcid
Hemoglobin A1c (glycated hemoglobin) reflects the average blood glucose concentration over the course of the RBC
shown by levels of HbA1c ... correlated with 35-76% decrease ... span, such as hemolytic ... frequent blood transfusions ... , #@DharSaty #HbA1c
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Tourniquet use - Hemolysis ... Potassium-containing drugs - Transfusion ... aged blood - Hemolysis ... tissue necrosis Decreased