0:10
Respirator pump clicks up and down with hiss of oxygen through mask as patient breathes.
0:45
Ambulance interior, an oxygen pump being squeezed
0:14
Heavy breathing from a male.
0:44
Breathing from a man.
0:30
A patient breathes through an oxygen mask as they snore during sleep.
0:13
Oxygen hiss from ventilator or mask regulator at a medium perspective.
0:11
Respirator pump clicks up and down with hiss of oxygen through mask.
0:39
Ambience inside hyperbaric/recompression chamber. Surging whining hum.