15 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
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Causes purpura & ... TRALI): Leading cause ... more likely to cause ... #diagnosis #management
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... intake • Blood transfusion ... of injection Decreased ... blockers - MCW Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... - Transfusion ... #differential #diagnosis ... #causes #potassium ... #high #nephrology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity is the diagnostic ... available for rapid diagnosis ... Mild-to-moderate decrease ... in most cases; ... #Workup #Hematology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... diet • Blood transfusion ... • Tumor lysis/hemolysis ... #algorithm #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... - Differential Diagnosis ... Decreased filling ... #Differential #Diagnosis ... #workup #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... - Transfusion ... #differential #diagnosis ... #causes #potassium ... #high #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Decreased Mg ... Differential #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
LDH - Assess for hemolysis ... for increased or decreased ... infections are common causes ... glomerular #testing #workup ... #diagnosis #glomerulonephritis