When the victim of an accident has had the heartbeats stopped (cardiac arrest), he has no pulse and is not breathing. In this situation, you must start immediately the chest compressions and the artificial respiration (mouth to mouth). The cardiac massage is executed by the rhythmic pressing of the centre of the chest (sternum), using the bridge of the superimposed palms, at a frequency of 100-120 compressions per minute.
The correct answer is: B
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