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 Belaow is an introduction to the rapid strep kit and procedure for using it. Please feel free to contact me with questions.

Brian Sayger, D.O.  

 

 

 

 

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The below information is to give you a brief introduction of the new rapid strep test.

Quick Review:a

 

  1. 3 Drops of Solution A
  2. 3 Drops of Solution B
  3. Solution will turn light YELLOW
  4. Place patient swab in solution
  5. Let stand for 1 minute
  6. Squeeze sides to remove liquid from swab (then discard the swab)
  7. Place Test Stick in the solution
  8. After 5 minutes remove the Test Stick and read the results.

 

 

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Genzyme Diagnostic

General Info

OSMO strep a test is intended for the detection of Group A Strep antigen from throat swab.

 Specimen Collection and Preparation

Use the sterile rayon swabs supplied with the kits. Do NOT use cotton tips or wooden shafts.

Limitations

A negative result may be obtained if the specimen is inadequate or antigen concentration is below the sensitivity of the test. Therefore if a patient is suspected of having GAS pharyngitis and has a negative Rapid Strep Test a culture is recommended to confirm GAS is not the cause.

 Sensitivity and Specificity

This test carries a SENSITIVITY of 96% and a SPECIFICITY of 97.8%

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aPositive

 

A valid positive test occurs if there is a + red control line showing the test performed properly and the blue test result is present. It is acceptable for a blue hue to be noted behind the results.

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Negative

 

A + red control line showing the test performed properly and no blue test results line present suggest a negative test result.

 

Invalid

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If no red control line appears the test is considered invalid. Repeat the test using a new specimen and test kit.