Closed heart massage
Massage is done with the arms crossed arms, which are placed strictly in the middle of the sternum. Press on the sternum not only with the hands, but with the whole 
Bodies, and pressed with the base of the palm, and not with the entire palm, raising their fingers high. Push the pressure on the breastbone at a frequency of 60-80 times per minute.
If one person is resuscitating, he should do two quick blows of 15 pressure on the sternum. If two people have one injection and 5 pressure.
REMEMBER: resuscitation should not be discontinued until a pulse or self-breathing occurs or until the ambulance arrives.
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