Rapid Plasma Reagin (RPR) for Syphilis
Transcript of Rapid Plasma Reagin (RPR) for Syphilis
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Rapid Plasma Reagin(RPR) for Syphilis
Lab 9
Part 1
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Materials
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Cardiolipin Antigen suspension
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RPR Test Card
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RPR Dispensing Bottle
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Rotater
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Timer
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Dispenstirs
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Work Mat (Paper Towel)
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Test Tube Rack
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Serum
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Lab Coat
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Disinfecting wipes
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Biohazard container
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Reactive control
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Weakly reactive
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Non reactive controls.
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Make sure to observe the reactive, weakly reactive and
non reactive controls.
Procedure
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This is what your lab set up should look like.
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Label your RPR test card like this. R is for the reactive
control, WR is for the weakly active control, NR is
for the Non Reactive control, and PX is for the
patient’s serum.
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Place one free falling drop of the Reactive Control in the circle you labeled R on your RPR test card.
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Place one free falling drop of the Weakly Reactive Control in the circle you labeled WR on your RPR test card.
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Place one free falling drop of the Non Reactive Control in the circle you labeled NR on your RPR test card.
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To use the dispenstir, squeeze the top side with the paddle up.
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Release the top of the
dispenstir in order to place one drop of serum onto the RPR test card.
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Turn the dispenser to the opposite end, and stir
serum covering the circle completely.
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Gently mix Antigen suspension and then drop 3 drops of Antigen on the outside of the circle. Place one drop of antigen in the center of your serum. While still applying pressure to the bottle, draw up the 3 extra drops.
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Place card on rotator.
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Leave the RPR test card on the rotator for 8
minutes at 100 rpm’s
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After 8 minutes, observe a tail for a non reactive result or agglutinations
or a reactive result.
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Replace and dispose of all supplies and equipment according to instructor
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Disinfect work area and any other item that may be contaminated with
body fluids.
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What are the Normal Ranges?
A non-reactive result normal.
However, false-negatives may occur in persons with early- and late-stage syphilis. A treponemal may be needed before ruling out syphilis.
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Serologic Agglutination
Test Lab
Lab 9
Part 2
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Purpose:
The purpose of the serology tests are to learn to conduct test to
detect diseases such as mononucleosis, rheumatoid
arthritis, chronic discoid lupus, and chromic liver disease and
dermatoyositis.
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MATERIALSfor Serology
Test
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SERUM SAMPLE
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AGGLUTINATION CARD
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APPLICATOR STICKS
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ANTIGEN LATEX SUSPENSION
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WORK MAT
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LABORATORY COAT
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DISINFECTING WIPES
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BIOHAZARD CONTAINER
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ROTATOR
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5 DIFFERENT TESTS!
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SURE-VUE ASO
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SURE-VUE CRP
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SERADYN SERATEST SLE
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SURE-VUE RF (rheumatoid factor)
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MONONUCLEOSIS TEST
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PROCEDURE
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SURE-VUE TESTASO, CRP, SLE, RF
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FOR SURE-VUE TEST:
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Each Sure-VUE test contains:
A latex reagent, a positive control, and a negative control.
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Step One:
Allow reagents and samples to reach room temperature (20 to 30 degrees Celsius)
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Step two:
Gentle shake the reagent vial to disperse and suspend the latex particles in the buffer solution.
Vigorous shake should be avoided!
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NOTE:
Whatever the procedure says to do for the patient, you do so for
the control as well.
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STEP THREE
Place 50uL of the serum onto one section of the disposable slide.
When doing so, place solution with a
VERTICAL FREEFALLING DROP!
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So you also:
Do so for the negative control
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FOR SERUM:
Apply pressure to pipette to
get serum.
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APPLY VERTICAL FREEFALLING DROP
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Dispose remaining serum in container.
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STEP FOUR:
Place one drop of reagent next to the drop of serum.
For each of the circles!
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Place drop on the negative circle
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Place drop on the Px circle
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STEP FIVE:
Mix both drops with a stirrer covering the whole surface of the slide section.
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Mix the negative control
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Mix the patient control
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STEP SIX:
Dispose of applicator sticks, etc. in biohazard sharps container.
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STEP SEVEN:
Gently rotate the slide for 2 minutes manually or on a rotary shaker set at 80-100rpm.
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WHILE on ROTATOR . . . . .
The clinical significance of the test . . .
Principle: in the patient serum, you are looking for a negative result. You are using latex in your reagent in order to see the test reaction.
Negative vs. positive result. A positive result is a “clumped” liquid while the negative result is “non-clumped”. From your controls you will determine your results.
By comparing your results to the + and
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MICROSCOPIC antigens are coated with latex, to be seen ->
agglutination of latex
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STEP EIGHT:
Look for the presence or absence of agglutination after the aforementioned period of time.
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STEP NINE:
To disinfect test card, spray Lysol on card, rub for a minutes, then rinse, and dry.
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Rinse card
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2
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Wipe card
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INTERPRETATION OF RESULTS
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MONONUCLEOSIS TEST
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Materials contained in box:
Reagent A; Guinea Pig Kidney Antigen
Reagent B; Preserved Horse Erythrocytes
Positive control: Human Serum
Negative Control: Human Serum
Color Slide II Mononucleosis Test cards
Pipettes
Bottle droppers
Seradyn color slide II guide
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EACH MONONUCLEOSIS TEST CONTAINS:
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BEFORE:
Bring all liquid reagents to room temperature before using.
Replace caps on Reagent A and Reagent B with bottle droppers provided.
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BEFORE:
Label circle 1 +, circle 2 -, and circle 3 Px (patient)
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NOTE:
How to use pipettes: Squeeze bulb oftransfer pipette and insert intosample. Release pressure to drawserum, plasma, or whole blood intopipette channel. To dispense one dropof sample gently squeeze the pipettewhile holding it vertically over the testcard. Use a separate pipette for eachsample. When handling pipettes,avoid touching tip.
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For mono-test:
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STEP ONE:
Gentle shake Reagent A vial and add one drop to the left side of the test circle on the Seradyn Color Slide II Test Card.
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Do so for all test circles:
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Place drop in the left side of the positive test circle
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Place drop on the left side of the negative test circle
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Place drop on the left side of the Px circle
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STEP TWO:
Invert Reagent B vial several times to mix. Add one drop of Reagent B to the right side of the test circle.
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DO SO FOR ALL TEST CIRCLES:
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Place drop on the postive test circle
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Place drop on the negative test circle
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Place drop on the Px test circle
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STEP THREE:
Using a pipette provided, add one drop of patient’s serum or plasma, to Reagent A on left side of the test circle.
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DO SO FOR ALL TEST CIRCLES!
And then dispose of remaining serum into serum sample tube.
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STEP FOUR:
Invert pipette and use the “paddle”portion to THROUGHOUTLY mix (10to 15 circular strokes) Reagent A(clear liquid) and sample (patient orcontrol). Then gradually mix thissolution into Reagent B (reddishbrown liquid) while covering the entiretest circle.
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STEP FIVE:
Rock card SLOWLY and GENTLY for one minute (approximately 13-16 rocks per minute)
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STEP SIX:
READ RESULTS IMMEDIATELY!
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What are the Normal Ranges?
A non-reactive result normal for RPR
However, false-negatives may occur in persons with early- and late-stage syphilis. A treponemal may be needed before ruling out syphilis.
Negative is normal for serology test
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Conclusions
Write a sentence stating if your results were normal or abnormal.
If abnormal, state the disease associated with your findings
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Clinical Significance
Write a sentence stating the disease and/or conditions associated with the RPR
And serology test.
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