If the person is unconscious and unresponsive, call 911 (or your local emergency number), then begin CPR.
If someone has stopped breathing, begin CPR if you are trained to do so.
The doctor, aided by park medical personnel, began CPR until an ambulance arrived.
By the time the rescue team got to her and began CPR, the hospital had been notified.
If the victim becomes unconscious, lower him to the ground, call an ambulance, and begin CPR.
She was ready to begin CPR if he went into cardiac arrest.
If the person is not breathing, begin CPR, but only if you have been trained to do so.
She planted her hands on his chest and began CPR, doing the work his heart refused to do.
He held the phone between his shoulder and ear and began CPR again.
If necessary, call 911 and begin rescue breathing, CPR, or bleeding control.