10 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 ... turnover • Acute blood ... loss • Hemolytic
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... Transfusion Thresholds ... Causes purpura & ... TRALI): Leading cause ... more likely to cause
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Tissue injury • Hemolysis ... dietary intake • Blood ... transfusion • ... of injection Decreased ... blockers - MCW Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Crush injury • Blood ... transfusion • ... Blood transfusion ... differential #diagnosis #causes ... potassium #high #nephrology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Mild-to-moderate decrease ... in most cases; ... Platelet count - Decreased ... of Peripheral blood ... anemia Indirect bilirubin
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Crush injury • Blood ... transfusion • ... Blood transfusion ... differential #diagnosis #causes ... potassium #high #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Diagnostic algorithm Decreased ... Potassium-rich diet • Blood ... transfusion • ... Tumor lysis/hemolysis ... Diagnosis #algorithm #nephrology
Inherited Non-hemolytic Disorders of Hyperbilirubinemia 

== Disorders of Conjugation ==
Gilbert Syndrome:
 • 5-10% of the population
Inherited Non-hemolytic ... without evidence of hemolysis ... and stress may cause ... patients have an increase ... in the blood
Intracranial Hemorrhage (ICH) and Increased Intracranial Pressure (ICP) - Pathophysiology
ICH Management:
1. Manage Blood Pressure
  •
) because they increase ... cerebral blood ... consider platelet transfusion ... = dilated BV = raises ... Pathophysiology #neurology
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Potassium-containing drugs - Transfusion ... of aged blood ... - Hemolysis (in ... tissue necrosis Decreased