Urinalysis - Chemical Examination Flashcards
30s
Glucose
Bilirubin
40 s
Ketones
60s
pH Protein Bacteria Urobilinogen Nitrite
120s
Leukocyte Esterase
Glucose
Principle:
Reagents:
End Color:
Confirmatory:
Glucose
Principle: Double sequential enzymatic Reaction (Glucose Oxidase)
Reagents:
M - Potassium iodide
C - Tetramethylbenzidine
End Color: M - Brown; C - Green
Confirmatory Test: Clinitest
Bilirubin
Principle:
Reagents:
End Color:
Confirmatory:
Bilirubin
Principle: Diazo Reaction
Reagents:
M - 2,4-DICHLOROoaniline diazonium salt
C - 2,4-DICHLORObenzene diazonium salt
End Color: Purple
Condirmatoryt: Ictotest
Ketones
Principle:
Reagents:
End Color:
Tablet:
Ketones
Principle: Sodium Nitroprusside Reaction
Reagents: Sodium Nitroprusside
End Color: Purple
Tablet: Acetest
Specific Gravity
Principle:
Reagents:
End Color:
Specific Gravity
Principle: pka change of Electrolyte Reagents: M - BROMTHYMOL blue C - BROMTHYMOL blue End Color: Yellow
Proteins
Principle:
Reagents:
End Color:
Proteins
Principle: Protein (sorenses) Indicator System
Reagents: Tetrabromphenol blue
End Color: Blue/Green
pH
Principle:
Reagents:
End Color:
pH
Principle: Double Indicator System
Reagents: Methyl Red/Bromthymol Blue
End Color: Yellow/Blue
Blood
Principle:
Reagents:
End Color:
Blood
Principle: Pseudoperoxidase activity of Hb
Reagents:
M - TETRAMETHYL benzidine
C - TETRAMETHYL benzidine
End Color: Blue
Urobilinogen
Principle:
Reagents:
End Color:
Urobilinogen
Principle: Ehrlich Reaction
Reagents:
End Color: Red
Nitrite
Principle:
Reagents:
End Color:
Nitrite
Principle: Greiss Reaction
Reagents:
M - QUINOLINE-3-ol
C - hydroxtetrahydrobenzoQUINOLINE
End Color: Pink
Leukocyte Esterase
Principle:
Reagents:
End Color:
Leukocyte Esterase
Principle: Leukocyte Esterase
Reagents: Ester
End Color: Purple
Glucose Oxidase
Glucose
Diazo Reaction
Bilirubin
Sodium Nitroprusside
Ketones
pka change of electrolyte
Specific Gravity
Protein sorenses error of indicator
Protein
Double Indicator System
pH
Pseudoperoxidase of Hb
Blood
Ehrlich reaction
Urobilinogen
Griess Reaction
Nitrite
Leukocyte Esterase
Leukocyte
Dichloro - Dichloro
Bilirubin
Bromthymol - Bromthymol
Specific Gravity
Tetrabrom - Tetrabrom
Protein
Tetramethyl - Tetramethyl
Blood
Quinoline - quinoline
Nitrite
Ester - ester
Leukocyte
Reagent Pad End color - Purple
Mnemoics: BaKLa
Bilirubin
Ketones
Leukocyte
In pH reagent pad determination, polyelectrolyte ionizes by _____________________ in proportion to the number of ions in the solution
Releasing H+ ion
Normal Random Urine pH
4.5 - 8.0
First Morning Urine pH
5.0 - 6.0
Interpret:
First Urine reach the pH - 9
Invalid Test - Unpreserved Urine
___________ should not reach the pH 9
Fresh Urine
Important in crystal identification, and detecting unsatisfactory specimen
pH
Normal Urine Protein
10 mg/dl or 100 mg/24hr
Clinical Protenuria
30 mg/dL or 300 mg/L
Presence of protein produces ________________ when shaken
White Foam
Major Serum protein found in urine
Albumin
A mucoprotein that forms the Matrix of all types of Casts
Tomm-Horsfall Proteins/Uromodulin
Pre-Renal Proteinuria/Overflow Proteinuria
Intravascular Hemolysis - Hemoglobin
Muscle Injury - Myoglobin
Severe Infection/Inflammation - APRs
Presence of Bence Jones Proteins in ____________
Multiple Myeloma
Solubility characteristic of Bence Jones Proteins
Coagulates: ______________
Dissolves: _____________
Solubility characteristic of Bence Jones Proteins
Coagulates: 40C - 60C
Dissolves: 100C
Renal Proteinuria
Glomerular Proteinuria
Microalbuminuria
Orthostatic Proteinuria
Tubular Proteinuria
Proteinuria that results to Pre-eclampsia
Glomerular Proteinuria
Glomerular proteinuria has impaired _____________
Impaired Selective Filtration
Indicator of Diabetic Nepropathy
Microalbuminuria
Microalbuminuria
21 - 200 ug/min
Diabetic nephropathy is due to _______________ that leads to ____________.
Decreased Glomerular Filtration
Renal Failure
Proteinuria when standing due to pressure to renal veins
Orthostatic Proteinuria
Orthostatic Proteinuria is confirmed by using ____________
First morning Urine
Orthostatic Proteinuria
1st morning: 2 hrs (standing):
Orthostatic Proteinuria
1st morning: Negative
2 hrs: Postive
Proteinuria affecting tubular reabsorption
Tubular Proteinuria
Causes of Tubular Proteinuria
Fanconi Syndrome (major)
Heavy metals
Severe Viral infections
Normal AER
0 - 20 ug/min
Sulfosalicylic Acid Precipitation Test
Reagent:
Urine Volume:
Sulfosalicylic Acid Precipitation Test (SSA)
Reagent: 3 ml of 3% SSA
Urine Volume: 3 ml
Sulfosalicylic Acid Precipitation Test
Grade 1+
Turbidity:
Protein Range:
Sulfosalicylic Acid Precipitation Test
Grade 1+
Turbidity: Distinct Turbidity
Protein Range: 50 mg/dL
Hemoglobinuria
Urine:
Plasma:
Blondheims Test:
Hemoglobinuria
Urine: Clear Red
Plasma: Red Plasma
Blondheims Test: (-) Blood
Myoglobinuria
Urine:
Plasma:
Blondheims Test:
Myoglobinuria
Urine: Clear Reddish Brown
Plasma: Yellow Plasma
Blondheims Test: (+) Blood
Test in Urine to differentiate Hemoglobinuria and Myoglobinuria
Blondheim’s Test
11th Reagent Pad
Ascorbic Acid
Ascorbic Acid causes of False Negative reactions on:
Mnemonics: BBLeNG
Blood Bilirubin Leukocytes Nitrite Glucose
Handling and QC of Reagent Pad
- Packaged in an _________ container with _________.
- Stored at ______________ (___)
- NEVER _____ or ______
Handling and QC of Reagent Pad
- Packaged in an OPAQUE container with DESSICANT.
- Stored at ROOM TEMPERATURE (<30)
- NEVER FREEZE or REFRIGERATE