a disaster at sea
accident
aed
allowance
ambulance
boy
cardiac arrest
cardiopulmonary arrest
children
congestive heart failure
danger
death
dies
disease
doctor
drowning
electric shock
elementary school
emergency
first aid
heart
heart disease
heart massage
hospital
illness
illustration
lifesaving
lifesaving equipment
lifesaving measures
medical care
medical equipment
nurse
nursery
pool
preschool
rescue
school
sea bathing
sport
swim
swimming
toddler
training
treatment