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INFECTION CONTROL ADVICE -201041843542

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					  INFECTION CONTROL ADVICE: FIT TESTING OF
               P2 (N95) Masks
You should refer to manufacturers’ recommendations regarding fit testing if a particular
fit test is required. The most common is a “Qualitative Fit Test” as described below.
The qualitative fit test relies on a subjective sensation (taste and smell). A fit test kit has
all the necessary equipment.

Suitability checklist
     If the person has facial hair that disrupts the fit of a P2 mask it cannot be fitted
        (some moustaches and short goatees may not interfere with fit)
     If the person is pregnant, consult her healthcare provider before fit testing
     If the person has asthma, seek medical opinion before using a mask
     Explain to the person that the process may be claustrophobic.

Testing involves two parts
   1. Threshold Check Procedure
          This checks the person can taste the test solution (bitter or sweet) and
           at what point they can taste it.
   2. Fit Test Procedure
          This checks the fit of the P2 mask.

Threshold Check Procedure
  1. Put hood on the subject
  2. Ask the subject to breathe through their mouth with their tongue extended
  3. Put nebuliser containing threshold solution into the hole at front of the hood
  4. Press bulb of nebuliser up to 10 times, asking the person to tell you when they
      first taste the solution
           a. If the person does not taste the solution, repeat the above up to
               three more times, stopping between times.
           b. If the person cannot taste the test solution after this, the qualitative
               test is not suitable for them.
  5. Make record of when the person can taste the solution

               No. of nebulisers administered            Record Threshold
               0-10                                      10
               10-20                                     20
               20-30                                     30




                                          Page 1 of 4
Threshold Check Procedure (continued)

   6. Remove hood, offer the person a glass of water
   7. Wait 15 minutes or until the person cannot “taste” the solution
   8. Wipe hood with a detergent wipe to remove residual solution.

Instructions for putting on P2 (N95) masks
    1. Separate the edges of the P2 (N95) to fully open it
    2. Slightly bend the nose wire to form a gentle curve
    3. Hold the respirator upside down to expose the two headbands
    4. Separate the two headbands using your index fingers and thumbs,
    5. While holding the headbands with your index fingers and thumbs, cup the
      respirator under your chin
    6. Pull the headbands up over your head
    7. Release the lower headband from your thumbs and position it at the base
       of your neck
    8. Position the remaining headband on the crown of your head
    9. Conform the nosepiece across the bridge of your nose by firmly pressing
       down with your fingers
   10. Continue to adjust the respirator and secure the edges until you feel you
        have achieved a good facial fit.

        Now, perform a “Fit Check”.

Fit Check Procedure
To ensure P2 (N95) Particulate Filter Respirators are providing the intended level of
protection, a “Fit Check” must be conducted each and every time they are worn.
       To “Fit Check” a respirator, the wearer should forcefully inhale and exhale
       several times. The respirator should collapse slightly upon inhaling and
       expand upon exhaling.
       The wearer should not feel any air leaking between his/her face and the
       respirator. This is the sign of a good facial fit and a successful Fit Check.


Fit Testing Protocol
    1. Prepare Equipment
        Check and familiarise yourself with the fit test box and contents

   2. Prepare the Person
       Explain the procedure and its purpose
       Ensure the person has not eaten / drunk, chewed gum or smoked in
       the past 15 minutes




                                       Page 2 of 4
Fit Test Procedure
Talk the subject through the following exercise while carrying out tester instructions
simultaneously.

Subject                                          Tester
Must complete each task for 60 seconds           Must time 60 seconds for each task
1. Breathe normally                              1. Depress nebuliser ½ the threshold
                                                    amount every 30 seconds (ie.
                                                    Threshold = 10; press nebuliser 5
                                                    times)
2. Deep breathe through mouth                    2. Depress nebuliser ½ the threshold
                                                    amount every 30 seconds
3. Turn head to Left and Right; pause to         3. Depress nebuliser ½ the threshold
   breath at each side                              amount every 30 seconds
4. Move head up and down; pause to               4. Depress nebuliser ½ the threshold
   breathe at each angle                            amount every 30 seconds
5. Read out aloud the “Rainbow Passage”          5. Depress nebuliser ½ the threshold
   (provided below)                                 amount every 30 seconds
6. Breathe normally                              6. Depress nebuliser ½ the threshold
                                                    amount every 30 seconds

      Does the subject TASTE the test solution during the exercises?
                    YES                                             NO
 • STOP the test                                   An acceptable fit has been established.
 • Start again with different size / brand of
                                                       Document on “fit-test” record
   mask
 • Wait 15 minutes before retesting
 • If still tasting the test solution, use an
   alternative solution

Cleaning Fit Test Equipment
      Nebulisers must be thoroughly cleaned with warm water and neutral
      detergent at completion of the fit testing procedure.
      Ensure the black “o-ring”, nebuliser bulb and inner piece are thoroughly
      cleaned. If test solution particles are left to dry they will obstruct the
      nebuliser

Rainbow passage
When the sunlight strikes raindrops in the air, they act like a prism and form a
rainbow. The rainbow is a division of white light into many beautiful colours. These
take the shape of a long round arch, with its path high above, and its two ends
apparently beyond the horizon. There is, according to legend, a boiling pot of gold at
one end. People look, but no one ever finds it. When a man looks for something
beyond his reach, his friends say he is looking for the pot of gold at the end of the
rainbow.

                                         Page 3 of 4
                                     SAMPLE - Qualitative Fit Test Record
Subject   Area/   Threshold Test          Comment    Fit test                Recommended Mask             Fit        Re-fit
Name      Dept              Solution      ie. tape                                                        Tester     required
                                                     Pass/Fail                  Brand / Size
                                          required                                                        Initials
                            Saccharin /                                                                              Date/time
                            Bitrex

                                                                    Brand      Brand    Brand    Brand

                                                                    Size S     Size M   Size S   Size M




                                                      Page 4 of 4

				
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