first aid

US /ˌfɜːrst ˈeɪd/
UK /ˌfɜːrst ˈeɪd/
"first aid" picture
1.

応急処置

help given to someone who is injured or ill, before medical treatment by a doctor or nurse can be given

:
He administered first aid to the injured runner.
彼は負傷したランナーに応急処置を施した。
Do you know how to perform first aid for a burn?
火傷の応急処置のやり方を知っていますか?