Emergency measures or procedures — provisional actions taken immediately in an emergency or accident.
火災が起きたらまず応急処置として避難誘導を行う。
If a fire occurs, the first emergency measure is to guide people to evacuate.
会社では応急処置マニュアルを全員に配布している。
The company distributes an emergency procedures manual to everyone.
応急処置として通報と周囲の安全確保が重要だ。
As emergency procedures, reporting and securing the surrounding area are important.
First-aid treatment or stop-gap repairs — immediate, temporary treatment for injuries/illnesses or provisional repairs.
けが人にはまず応急処置で止血をしてから病院へ運んだ。
For the injured person we first stopped the bleeding as first aid and then took them to the hospital.
出張中に器械が壊れたので、応急処置でテープを使って動かした。
A device broke while on a business trip, so we got it working with a temporary repair using tape.
救命のための応急処置（CPRや止血）の講習を受けた。
I took a course on emergency life-saving measures (CPR and bleeding control).