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