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Learn First Aid

Know what to do in the first minutes before help arrives.

Free to start. Built from a single prompt. No credit card.

First aid is the care you give in the minutes before professional help arrives: keeping yourself safe, calling emergency services, and acting on a few priorities such as breathing, severe bleeding and choking. It covers CPR and using an automated external defibrillator (AED), stopping bleeding with direct pressure, cooling burns, and placing someone in the recovery position. Learning the concepts helps, but a certified, hands-on course from an organization such as the Red Cross or St John Ambulance is the real qualification. Learnr builds a personalized first aid course from one prompt to prepare you and keep the knowledge fresh.

How to learn First Aid, step by step

Book a certified, hands-on course. Online learning is preparation, not certification. Courses from organizations such as the Red Cross, St John Ambulance or the American Heart Association let you practice CPR on manikins with feedback, and guidelines vary by country.
Learn scene safety and how to call. Check for hazards like traffic, fire or electricity before approaching. Know your local emergency number, such as 911, 112 or 999, and what to tell the dispatcher: location, what happened and the person's condition.
Understand CPR and AED basics. For an adult who is unresponsive and not breathing normally, call for help, then push hard and fast in the center of the chest. Dispatchers can coach you, and an AED gives spoken instructions once it is opened.
Learn the response to choking. If an adult cannot cough, speak or breathe, call for help and give back blows and abdominal thrusts as your local guidelines teach. Infant choking uses different techniques, which a course will cover.
Control bleeding and cool burns. Press firmly on a bleeding wound with a clean cloth and keep pressure on. Cool burns with cool running water, not ice, for the time your local guidance gives, and cover loosely.
Review regularly to stay ready. First aid skills fade without practice, so revisit them. Learnr lessons can quiz you on scenarios in short daily sessions, and most certifications require renewal every couple of years.

What you'll learn

Check a scene for danger and call emergency services
Understand the steps of CPR and how an AED is used
Recognize choking and know the main responses
Control severe bleeding with direct pressure
Know basic care for burns, shock and the recovery position

What's inside your First Aid course

A sample path Learnr builds for First Aid. Your real course adapts to your goal and level.

1. Scene safety and calling for help
2. Checking responsiveness and breathing
3. CPR and AED basics
4. Choking
5. Bleeding, burns and shock
6. Recovery position and next steps

How long does it take to learn First Aid?

The core concepts can be learned in a few hours. A certified basic first aid and CPR course usually takes about a day or less. Skills fade without practice, so refresh regularly and renew certification as required.

What you need before you start

None to learn the concepts. A certified, hands-on course from a recognized organization is the real qualification and is strongly recommended.

Common mistakes to avoid

Rushing toward a casualty near traffic, fire or live wires and becoming a second casualty. Pause, look around, and approach only when the scene is safe.
Delaying the emergency call to try first aid alone. Call your local emergency number right away, or point at one person and tell them to call.
Treating online lessons or videos as a qualification. Take a certified hands-on course, because CPR depth and rhythm can only be learned on a manikin.

How Learnr builds your course

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First Aid questions, answered

Does this course certify me in first aid?

No. Learnr teaches first aid concepts for education and review. Certification requires a hands-on course from a recognized organization such as the Red Cross or St John Ambulance.

Can I hurt someone by doing CPR?

For someone in cardiac arrest, CPR is far more likely to help than harm. Many places have laws protecting people who help in good faith, and a course will teach correct technique.