how is rpr test done?
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A rapid plasma reagin (RPR) test is a blood test used to screen you for syphilis. It works by detecting the nonspecific antibodies that your body produces while fighting the infection. Syphilis is a sexually transmitted infection (STI) caused by the spirochete bacterium Treponema pallidum.
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The Venereal Disease Research Laboratory test (VDRL) is a blood test for syphilis and related non-venereal treponematoses that was developed by the eponymous lab. The VDRL test is used to screen for syphilis (it has high sensitivity), whereas other, more specific tests are used to diagnose the disease.
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The rapid plasma reagin (RPR) test is a blood test that looks for antibodies to syphilis. Syphilis is a sexually transmitted disease (STD) that first causes symptoms common to many other illnesses.
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RT-PCR is used in research laboratories to study gene expression, for example in experiments to distinguish exons from introns, and can be used clinically to diagnose genetic diseases and monitor drug therapy. RT-PCR requires an RNA template, enzyme, nucleotides, buffers and thermocyclers to produce RT-PCR products.
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RBS test involves drawing of blood out from the veins by means of an injection. Apart from a tiny prick not much discomfort is felt during the RBS test.
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You may receive your test results directly from your physician. Next time your physician orders a lab test, ask your physician to indicate on the requisition that Quest Diagnostics should also send you a copy of the test results. Most tests take between 1 to 10 days to complete.
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['collect your urine in a cup and dip a testing stick into the liquid.', 'collect your urine in a cup and use an eyedropper to move a small amount of fluid into a special container.', 'place the testing stick into the area of your expected urine stream so that it will catch your urine midstream.']
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The VDRL test is a screening test for syphilis. It measures substances (proteins), called antibodies, which your body may produce if you have come in contact with the bacteria that cause syphilis. Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand.
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['Please be sure to read the results within 5 to 10 minutes.', 'Negative test results will show two lines – one line in the control region (C) and one line in the test region (T).', 'Presumptive positive results will show only one line in the control region (C).']
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['STEP 1: Review the process. ... ', 'STEP 2: Brainstorm potential failure modes. ... ', 'STEP 3: List potential effects of each failure. ... ', 'STEP 4: Assign Severity rankings. ... ', 'STEP 5: Assign Occurrence rankings. ... ', 'STEP 6: Assign Detection rankings. ... ', 'STEP 7: Calculate the RPN.']
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Medical Evaluation at MEPS You will take a blood and urine test (including a test for drugs). ... Your blood will be tested for HIV, Hemoglobin, Hematocrit, RPR, and alcohol. There are also two different urine tests; one is the legal drug urine and the other tests for pH, blood, protein and specific gravity.
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Shortly after infection, a test may not yet show any antibodies. This is known as a false negative. False negatives tend to be more common in the initial and end stages of infection. Among people who are in the secondary (middle) stage of infection, the RPR test result is nearly always positive.
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SERUM EVALUATION The VDRL and RPR, respectively, are reactive in 78 percent and 86 percent of patients with primary syphilis. 8 They become positive within approximately four to six weeks after infection or one to three weeks after the appearance of the primary lesion.
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['The TB skin test is performed by injecting a small amount of fluid (called tuberculin) into the skin on the lower part of the arm.', 'A person given the tuberculin skin test must return within 48 to 72 hours to have a trained health care worker look for a reaction on the arm.']
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['Wash your hands.', "Put a lancet into the lancet device so that it's ready to go.", 'Place a new test strip into the meter.', 'Prick your finger with the lancet in the protective lancing device.', 'Carefully place the subsequent drop of blood onto the test strip and wait for the results.']
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A red cell distribution width (RDW) test is a measurement of the range in the volume and size of your red blood cells (erythrocytes). Red blood cells move oxygen from your lungs to every cell in your body. Your cells need oxygen to grow, reproduce, and stay healthy.
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Medical Evaluation at MEPS The physical begins with the completion of the medical questionnaire, after which you'll begin the process. You will take a blood and urine test (including a test for drugs). Females will be tested for pregnancy. Your blood will be tested for HIV, Hemoglobin, Hematocrit, RPR, and alcohol.