Can Surgical masks, N95 Respirator, and M3 mask Decrease your Oxygen or Cause CO2 Retention?

Abstract

e've all been wearing masks to help prevent the spread of the coronavirus. The FDA described a surgical mask as a “loose-fitting, disposable device that creates a physical barrier between the mouth and nose of the wearer and potential contaminants in the immediate environment,” and N95 respirator as a “respiratory protective device designed to achieve a very close facial fit and very efficient filtration of airborne particles”. The Centers for Disease Control and Prevention (CDC) in the United States recommended that individuals wear a face mask in public if they cannot distance at least six feet from others, to help prevent the transmission of COVID-19. The study aims to find out whether different masks cause hypercapnia or hypoxia. The study included healthy personnel more than 18 years old and excluded: Personnel with Any Chest diseases, Other unstable medical issues, Pregnancy, and major surgery the previous month mainly abdominal. Every included participant was subjected to the following: Full medical history and consent for ABG sampling, Baseline ABG (0.5 ml blood) will be taken before wearing masks and Using Blood gas analyzer in chest department Ain shams university for results of ABG. Then allow same twenty