Answer:
Once the individual is found lying on the floor and is asked "Sir, what do you have ?, answer please" , we have to check him to see if he have breathing or pulse. In this particular case, the patient is not breathing but has a pulse, the emergency system (EMS) is activated, we have to placed him in an appropriate position by opening the airway, mouth-breathing is given, and cardiac massages should be started, to treat that good blood reach vital tissues.
The clinical condition of this person deserves the urgent use of a cardiac defibrillator.