Learn everything you can about first-aid. Knowing what to do in the event of severe bleeding, choking, or severe allergic reaction could save a life. It may not be possible for EMS personnel to come to assist you in an emergency. You may need to contact a doctor and request advice on providing care, even if it is outside of your training. Document the doctor’s orders carefully. The word SAMPLE is a useful acrostic mnemonic to remember what to ask a patient prior to treating them: Signs and ...