I’ve always taken that as hold average volumetric flow rate constant or slightly reduce, reduce the rate at which breaths are taken significantly, breath deeper (more air at once) to compensate.
The use of the phrase “deep breath and hold” is also consistent with max lung volume == deep breath.
I’ve always taken that as hold average volumetric flow rate constant or slightly reduce, reduce the rate at which breaths are taken significantly, breath deeper (more air at once) to compensate.
The use of the phrase “deep breath and hold” is also consistent with max lung volume == deep breath.