First aid is the basic assistance to a sick or injured person.
It’s given until full medical treatment is available.

Learn simple first aid skills | British Red Cross
Learn first aid for babies and children | British Red Cross

The emergency dial is 112.
112 is the European emergency number.

EMERGENCY TELEPHONE NUMBERS
In Spain, call 112.
In United Kingdom, call 112 or 999.
In United States of America, call 911.

List of emergency telephone numbers by country | Wikipedia

First aid training: How to do the primary survey
St John Ambulance | Official web – YouTube Channel
Source | St John Ambulance

26 first aid tips everyone must know
Source | 5-Minute Crafts