Objective To evaluate and compare the effectiveness and tolerability of preoxygenation with the self-inflating bag-valve-mask (BVM) and non-rebreather mask (NRM) as are used before emergency ...

The bag-valve mask (BVM) is arguably one of the simplest tools we carry in our bags as EMS providers. That simplicity, however, undercuts how significant this piece of equipment can be – it is ...

We would like to draw the reader’s attention to a potentially dangerous occurrence with bag valve mask systems when repair and reassembly is carried out incorrectly. Bag valve masks are in common use ...