I have never used masks that way and I would worry about the fit. But it may be possible, temporarily, especially when you hold it down. Procedurally most phys

I have never used masks that way and I would worry about the fit. But it may be possible, temporarily, especially when you hold it down. Procedurally most physicians seem to reach for the intubator as soon as there is any trouble breathing, even though that takes longer than putting on a mask.