20 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Content • RBC Transfusions ... blood loss • Hemolytic ... Effect • RBC Transfusions ... #Decrease #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... HUS) • Other: Transfusion ... reaction, Paroxysmal ... implicated) - Transfusion ... Extravascular #Causes
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Transfusion Reaction ... Transfusion Reaction ... Transfusion Reaction ... Causes purpura &
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency - Causes ... of Decreased Folic ... Pregnancy, Infancy, Hemolysis ... Enteritis, Jejunal resection ... Folate #Deficiency #FolicAcid
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Transfusion Reaction ... Transfusion Reaction ... Transfusion Reaction ... Causes purpura & ... TRALI): Leading cause
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... - Transfusion ... reaction - Tumor ... Blood transfusion ... differential #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... - Transfusion ... reaction - Tumor ... Blood transfusion ... differential #diagnosis #causes
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
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Hyperbilirubinemia Increased Production ... • Hemolysis ... • Hematoma Decreased ... Rifampin) Decreased ... Diagnosis #Algorithm #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