First aid: temporary treatment or measures performed for injuries or sudden illness until professional medical care is available (e.g., stopping bleeding, bandaging, CPR).
彼女は応急手当として傷口をきれいにして包帯を巻いた。
As first aid, she cleaned the wound and applied a bandage.
応急手当の講習を受けておくと、いざというとき役に立つ。
Taking a first-aid course is helpful in case of emergencies.
心停止の場面では、迅速な心肺蘇生などの応急手当が命を救うことがある。
In cases of cardiac arrest, prompt first aid such as CPR can sometimes save a life.