Cardiac massage 4 times on the left side of the chest, just below the nipple of the kleft breast.Use either both hands to press deeply inmechanical attempt or use a defibrillator pad to press.Artificial ventilation may be necessary if respiration is compromised with quick referral to an ambulance unit via cal to 911.If you are experienced you can use adrenaline intracardiac otherwise wait fro the doctor.