めまい
accelerated
aid
air
bag
bag breathing
breathe
breathing
breathing device
breathing mask
breathing protection
carbon dioxide
co2
convulsion
cover
device
disorder
emergency
emergency medicine
emergency response
exhale
face
fear
first aid
head
help
hyperventilate
hyperventilation
hyperventilation mask
increased
inhale
interrupt
isolated
loss of consciousness
mask
medical
medicine
mouth
mouthnosemask
nose
oxygen
panic
psychology
rebreathing
rebreathing bag
rescue
respiration
respiratory problem
respiratory rate
shock
sweating
therapy
white
woman