First Aid, learn as much as you can now for use later.
Information to help you during a medical emergency:
Cardiopulmonary resuscitation (CPR)
Disclaimer: This information is not intended as a substitute for professional medical advice, emergency treatment or formal first-aid training. Don’t use this information to diagnose or develop a treatment plan for a health problem or disease without consulting a qualified health care provider. If you’re in a life-threatening or emergency medical situation, seek medical assistance immediately.