mardi 20 février 2018

How to Wear an N95 Face Mask

If you’re in an area with poor air quality levels, or if an infectious illness has been going around, wearing an N95 face mask is a great way to protect your lungs and overall health. Built to filter out dangerous particles, the N95 is a lightweight and relatively cheap way to breathe clean air and stay healthy.

EditShort Summary

1. Use an N95 face mask to protect yourself from particles in the air. This includes biological particles like viruses. It won't work well if you'll be around oil aerosols.
2. Hold the mask over your nose and mouth with the straps hanging down.
3. Pull the bottom strap over your head and place it under your ears. Then set the top strap above your ears.
4. Mold the top metal piece around your nose and breathe out a few times. Feel for any leaks. Adjust the fit as needed to create a tight seal.
5. Throw the mask away after use if you've been wearing it in a medical setting. Otherwise, you can safely reuse it, as long as it stays dry and creates an airtight seal around your face.

EditSteps

EditChoosing Your Face Mask

  1. Choose an N95 face mask to filter out particles in the air. N95 face masks are a great choice for protecting your lungs from particles in the air, which could be metal fumes (such as those caused by welding), minerals, dust, or biological particles, such as viruses. You can wear one when there’s been a flu outbreak in your area, or if pollutants or a fire has made air quality poor. These masks are made of structured, lightweight foam and fit over your nose and mouth.[1]
    Wear an N95 Face Mask Step 1.jpg
    • Specially-made versions are also available for people in industrial jobs, and surgical N95 face masks are available for those in health care professions.
    • The number refers to the percentage of particles that the mask can filter out. The N95 mask filters out 95% of dust and particulates.
    • N95 masks shouldn’t be used if oil aerosols are present, as oil damages the filter. The “N” actually stands for “Not resistant to oil.”
  2. Go with an R or P mask if you’ll be exposed to an oily atmosphere. In cases where you face exposure to mineral, animal, vegetable, or synthetic oils, look for an R or P designated mask. The “R” stands for “somewhat oil-resistant,” which means it will protect you from oil vapors for a time limit specified on the packaging. The “P” stands for “oil-proof or strongly resistant.”[2]
    Wear an N95 Face Mask Step 2.jpg
    • These masks also come with number classifications, such as P100 and R 95. The numbers stand for the percentage of particles they filter out.
    • If you’re exposed to gases or vapors which are more concentrated than the exposure limits of these masks, looks for a respirator that uses special canisters or cartridges to filter the air even more effectively.
  3. Try on different sizes to get the best fit. Depending on the particular N95 mask you choose, available sizes range from extra small and small to medium and large. If possible, try on a couple sizes before you purchase one. Make sure the mask feels snug and doesn’t slip on your face, remembering that you’ll also mold it to your face for an even tighter fit. If you’re not sure, go for a smaller size to make sure the mask won’t fall off.
  4. Check with your doctor if you have a respiratory or cardiac condition. N95 face masks can make it more difficult to breathe, especially if you have a chronic cardiac or respiratory condition. Talk with your doctor to see what extra precautions you can take. You may be able to use a model with exhalation valves, which can ease breathing and lessen heat build-up in the mask, although these versions shouldn’t be used if you need to maintain a sterile environment, like an operating room. Talk to your doctor before using if you have any of the following conditions:[3]
    Wear an N95 Face Mask Step 3.jpg
    • Breathing problems
    • Emphysema
    • Chronic obstructive pulmonary disease (COPD)
    • Asthma
    • Cardio-pulmonary problems[4]
  5. Buy a NIOSH-certified N95 face mask from hardware stores or online. You can get an N95 mask at hardware or home improvement stores and pharmacies. You can also purchase directly from online retailers, like 3M. It’s important to only choose masks that are certified by the National Institute for Occupational Safety and Health (NIOSH). These masks will have the NIOSH logo and a certification approval number on the packaging or the mask.[5]
    Wear an N95 Face Mask Step 4.jpg
    • If you need an N95 mask for your job, your employer will likely be required to provide it.
    • Masks that aren’t NIOSH-certified may not provide good protection.
  6. Stock up on face masks so you’ll be ready when you need them. Face masks tend to have large spikes in demand and sell out fast during certain times, such as during an outbreak of an infectious illness or when a region experiences intense pollution. Be prepared by having some on hand for you and each of your family members at all times. Aim to have 2-3 masks per family member to be on the safe side.
    Wear an N95 Face Mask Step 5.jpg
    • Take your local environment into account when stocking up on masks. You’ll need more if you live in a big city with notable pollution problems, for example, than if you live in a more rural environment with cleaner air.

EditFitting Your Mask Properly

  1. Trim your facial hair before wearing your mask, when possible. If you know you need to wear an N95 mask, shave off all facial hair. It can get in the way of the mask and prevent a tight, sealed fit, which will compromise the effectiveness of the mask.[6]
    Wear an N95 Face Mask Step 6.jpg
    • If it’s an emergency situation and you don’t have time to shave, fit the mask on as best you can.
  2. Wash your hands well before putting on your mask. Use soap and water and dry your hands well so you don’t get the mask wet. This will prevent you from accidentally contaminating your mask before you put it on.[7]
    Wear an N95 Face Mask Step 7.jpg
  3. Cup the mask in one hand and place it over your mouth and nose. Place the mask in the palm of your hand so that the straps face the floor. Set it over your nose and mouth with the nosepiece fitting over the bridge of your nose. The bottom should go just under your chin.[8]
    Wear an N95 Face Mask Step 8.jpg
    • Try to touch only the outside and edges of the mask to keep it clean.
  4. Pull the bottom and top straps over your head. If your mask has two straps, pull the bottom one over your head and secure it around your neck, just under your ears. Continue to hold the mask tightly against your face with the other hand. Then, pull the top strap over and set it above your ears.[9]
    Wear an N95 Face Mask Step 9.jpg
  5. Mold the nose piece around the bridge of your nose. Set your first 2 fingertips on either side of the metal nose clip at the top of your mask. Run your fingers down both sides of the strip, molding it along the bridge of your nose.[10]
    Wear an N95 Face Mask Step 10.jpg
    • If your mask doesn’t have a nosepiece, simply make sure the fit is tight and snug around your nose.
  6. Look for alternate solutions for children. N95 masks are not designed for children and won’t fit correctly on them. Instead, keep children inside as much as possible if air quality is poor. Take extra precautions in case of flu outbreaks, such as having kids wash their hands before meals and after sneezing or coughing. You can also try using masks made specifically for children, although they won’t be N95-designated.[11]
    Wear an N95 Face Mask Step 11.jpg
    • Don’t use an N95 mask on children younger than age 17-18.
    • Older teenagers can try on an N95 mask to test the fit and comfort. If it fits well and forms a tight seal, have them try walking around with it, paying close attention to any feelings of dizziness or difficulty breathing. If these symptoms occur, have them remove the mask and go inside.

EditChecking the Seal and Removing Your Mask

  1. Breathe through the mask and test for leaks. Set both hands against the mask and take a breath to make sure that it seals against your face. Then exhale, feeling for any leakage from the nosepiece or around the edges. If you feel air leaking from the nose area, re-mold the nosepiece. If it’s coming from the edges of the mask, adjust the placement of the straps on the sides of your head.[12]
    Wear an N95 Face Mask Step 12.jpg
    • If your mask still isn’t completely sealed, ask a friend or family member for help, or try a different size or model.
  2. Remove your mask by pulling the strap over the top of your head. Without touching the front of the mask, pull the bottom strap over your head. Let it hang down over your chest. Then, pull the top strap over.[13]
    Wear an N95 Face Mask Step 13.jpg
    • You can either throw the mask away or store it in a clean, sealed container or bag.
    • Avoid touching the mask itself, as it might be contaminated.
  3. Throw away your mask if you used it in a medical setting. If you used your mask with an ill patient, or as a way to prevent getting sick in an outbreak, the outside of your mask is likely contaminated. Disposing of it properly will ensure that you won’t come into contact with contaminated particles. Carefully hold the mask by the straps and throw it away in a trash can.[14]
    Wear an N95 Face Mask Step 14.jpg
  4. Re-wear your mask as long as it stays dry and fits tightly. If you’re using the mask to protect from environmental hazards and it hasn’t come into contact with harmful germs, it should be fine to wear again. Test the seal of your mask each time you put it on to make sure it still fits snugly. Store your mask in a clean, sealed container or bag and make sure it doesn’t get bent out of shape by surrounding objects.
    Wear an N95 Face Mask Step 15.jpg

EditSources and Citations


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source How to of the Day http://ift.tt/2EFSEL5

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