6b. Chest-compression-only CPR may be used as follows:
• if you are not trained, or are unwilling to give rescue breaths,
give chest compressions only;
• if only chest compressions are given, these should be continuous,
at a rate of at least 100 min−1 (but not exceeding 120 min−1).
7. Do not interrupt resuscitation until:
• professional help arrives and takes over; or
• the victim starts to wake up: to move, opens eyes and to breathe
normally; or
• you become exhausted.