The technique involves the use of the glottis to add to an inspiratory effort by gulping boluses of air into the lungs.
It can be beneficial for individuals with weak inspiratory muscles and no ability to breathe normally on their own.
[4][5] The technique involves the use of the glottis to add to an inspiratory effort by projecting (gulping) boluses of air into the lungs.
[10][11] Patients with no vital capacity have awoken from sleep using GPB to discover that their ventilators were no longer functioning.
Some have spontaneously come out of anesthesia frog breathing and others out of grand mal convulsions surprisingly without being cyanotic.