Fig. 1

Teaching-cards about adult Basic Life Support (BLS). 1 = Make sure that you, the victim (or anybody) are safe. Shake the victim by the shoulders and ask: Hello, are you all right?. 2 = Check the breathing: (a) tilt the patient’s head back; (b) use the look-listen-feel formula (looking at the chest movements, listening, and feeling the air-flow); (c) check the breathing for 10 s. 3 = Call the ambulance at 112. 4 = Start CPR: a Kneel one side of the victim; b Place the heel of the hand in the center of the chest (the lower third of the sternum); c Place the heel of your other hand on top of the first hand and interlock your fingers; d Keep your arms straight; e Position yourself vertically above the victim’s chest and press down on the sternum at least 5 cm (but no more than 6 cm); f After each compression, release all the pressure on the chest without losing contact between your hands and the chest of the victim; g Repeat at a rate of 100–120 min.−1. 5 = Continue CPR: a Repeat chest compressions 30 times; b Tilt the head back; c Blow the air into the patient’s mouth or nose two times (and keep the other closed); d Continue with the ratio of chest compression and ventilation of 30:2