But what are the different types of anti ... surgical or cloth masks, N95 mask, N99 mask, N100 mask, P95 and R95 masks. Dr Vikas Mittal, Pulmonologist, Department of Respiratory Medicine, CK ...

Respiratory failure happens when the capillaries, or tiny blood vessels surrounding your air sacs, cannot properly exchange carbon dioxide and/or oxygen. There are two types of respiratory failure ...