If it's life-threatening, call your local emergency number now.
Four outputs in one: ordered 60-second steps, a clear hospital-vs-home decision tree, a home kit checklist, and a wallet card with the emergency numbers for your country.

Firstaid gives general first-aid information based on public guidance. It is not medical diagnosis, treatment, or certified first-aid training, and it does not replace emergency services or a clinician.
If the situation is life-threatening, call your local emergency number immediately.
Choose a scenario and country, then generate a four-part manual: step illustrations, a hospital-vs-home decision tree, a kit checklist, and a wallet emergency card.