adult
aid
ambulance
attack
background
cardiac
cardiopulmonary
care
caucasian
chest
closeup
compression
cpr
danger
emergency
faint
first
hands
health
heart
help
helping
hurt
indoors
life
male
man
massage
medical
medicine
pain
passerby
patient
people
performing
problem
procedure
reanimation
rescue
rescuer
rescuing
resuscitation
safe
safety
saving
stranger
suffer
unconscious
young