First aid or emergency medical care (e.g., ambulance, emergency room, first-aid).
倒れた人がいたので救急車を呼んだ。
There was someone who collapsed, so I called an ambulance.
救急外来は急患で混雑している。
The emergency outpatient department is crowded with urgent cases.
けがの応急処置は救急処置で十分対応できた。
The injury was adequately treated with first aid.