emergency measure; emergency procedures
Broad term for any urgent action taken to deal with a crisis, not limited to medical contexts.
As an emergency measure for the blackout, we distributed flashlights.
first-aid treatment; stop-gap treatment; temporary repairs
Often used for medical first aid, but also for makeshift fixes or temporary solutions in non-medical situations.
けが人に応急処置を施した。
We administered first-aid treatment to the injured person.
パイプの水漏れに応急処置をした。
We made temporary repairs to the leaking pipe.
We gave the injured person first aid.
He received first aid at the scene of the accident.
We made a temporary fix for the leak and watched how it went.
応急処置 refers to emergency first-aid or a quick fix, similar to how 対症療法 can mean a stopgap solution rather than a lasting cure.
応急処置 specifically means emergency first aid, a narrower and more technical term than the everyday 手当 used for tending to an injury.