17 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Elevation == Decreased ... Content • RBC Transfusions ... blood loss • Hemolytic ... #Decrease #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... HUS) • Other: Transfusion ... Extravascular #Causes ... #differential #diagnosis
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Transfusion Reaction ... Transfusion Reaction ... Transfusion Reaction ... #diagnosis #management
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 ... #differential #diagnosis
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 & ... #diagnosis #management
Hyperkalemia - Differential Diagnosis Framework

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... - Transfusion ... reaction - Tumor ... #differential #diagnosis ... #causes #potassium
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... intake • Blood transfusion ... of injection Decreased ... #Causes
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
- Differential Diagnosis ... • Hemolysis ... • Hematoma Decreased ... Rifampin) Decreased ... #Algorithm #Causes
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Deficiency • Decreased ... pregnant have hemolytic ... folate that can cause ... Folate #deficiency #FolicAcid ... #differential #diagnosis