A safety training video snippet for you to use in your own training. To purchase the full snippet, http://www.trainingsnippets.com.au/safety-training-videos/cardiopulmonary-resuscitation-cpr The purpose of cardiopulmonary resuscitation, or CPR, is to keep oxygenated blood flowing around the body to keep the vital organs alive until emergency services or medical aid arrives. This safety snippet outlines how to administer CPR if you find a casualty who is unconscious and not breathing.