If you work in a clinical setting around COVID-19 patients, you will be issued with a respirator to protect you from the risk of infection. As part of this process, you will have to undergo respirator fit testing. This article provides a step-by-step guide to respirator fit testing. Read on to discover more.

Training

Before the fit test begins, the fit tester will provide you with training on how to properly don and adjust the respirator. You will typically be provided with instructions in front of a mirror so you can see how the respirator looks and the location of any straps used to adjust its position.

Taste test

Without wearing the respirator, you will be asked to wear a hood that covers your face and head. The fit tester will place a liquid inside the hood that creates a distinct taste when inhaled. You will be asked to indicate when you can taste this substance. The substance is completely inert and poses no risk to your health. It is simply used as a marker to test the effectiveness of the respirator you will be issued with.

Respirator test

You will be asked to remove the hood and take a sip of water to clear the taste from your mouth. You will then be fitted with the respirator and asked to place the hood back over your head. The taste test will be repeated and you will be asked to indicate if you can taste the liquid added to the hood. If you cannot, the respirator is working as it should. If you can, the fit tester will remove the hood and make adjustments to the respirator to try to achieve a better fit. Once these adjustments have been made, the test will be repeated until no further adjustments are required.

Factors that can impact a good fit

Facial hair

Facial hair between the sealing surface and face can affect respirator fit. If you have facial hair, consider shaving before your test (for example a beard or moustache). If you have facial hair that cannot be removed for religious reasons, please let your supervisor know so the fit test can be conducted with special precautions.

Damaged respirator

Respirators are no fun to wear. If the respirator is dropped, check it for damage before testing; if there is any external damage, repair or replace it before testing.

Jewellery

Large body piercings (for example nose rings or earrings) can impact fit. Consider removing all facial piercings before the fit testing.

If you want to find out more, contact a company that offers fit testing, such as FitTick.