URINALYSIS Flashcards
Provides a simple, rapid means for performing routine chemical tests on urine
Reagent strips
Quality Control of Reagent strips
Running positive and negative control every 24 hours (ideal: every shift)
What are the parameters in reagent strips?
Bilirubin
Glucose
Ketones
Specific Gravity
pH
Protein
Blood
Urobilinogen
Nitrite
Leukocyte Esterase
Principle of Bilirubin
Diazo Reaction
Principle of Glucose
Double Sequential Enzymatic Reaction
Principle of Ketones
Sodium Nitroprusside Reaction
Principle of Specific Gravity
(pKa) Dissociation constant change of a polyelectrolyte
Principle of pH
Double Indicator System
Principle of Protein
Protein Error of Indicator
Principle of Blood
Pseudoperoxidase activity of Hemoglobin
Principle of Urobilinogen
Ehrlich’s Reaction
Principle of Nitrite
Greiss Reaction
Principle of Leukocyte Esterase
Leukocyte Esterase
Bilirubin False Positive Interferences
Highly pigmented urine
Phenazopyridine
Indicant
Metabolites of iodine
Bilirubin False Negative Interferences
Exposure to light
High concentration of nitrite
High concentration of ascorbic acid