50 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Reduction == Increase ... blood loss • Hemolytic ... HgbA1c #Laboratory #Increase ... #Decrease #Diagnosis
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Differential Diagnosis Increased ... Tissue injury • Hemolysis ... intake • Blood transfusion ... of injection Decreased
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... - Transfusion ... hypoperfusion Increased ... Blood transfusion ... differential #diagnosis #causes
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Causes purpura & ... TRALI): Leading cause ... Hypocalcemia, Hyperkalemia ... more likely to cause
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... - Transfusion ... hypoperfusion Increased ... Blood transfusion ... differential #diagnosis #causes
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... failure • Drugs Increased ... diet • Blood transfusion ... • Tumor lysis/hemolysis
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... tacrolimus) - Decrease ... - AKI/CKD • Increased ... Crush injury, Hemolysis ... Differential #Diagnosis #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Diagnosis Algorithm Decreased ... WBCs - Decreased ... Infiltration - Increased ... Bleed • Hemolysis
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
• Febrile Non-Hemolytic ... Causes purpura & ... TRALI): Leading cause ... Hypocalcemia, Hyperkalemia ... more likely to cause
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Loss - Increased ... Urinary Loss Decreased ... Refeeding Syndrome #Hypokalemia ... Diagnosis #Algorithm #causes