... caused by cardiac arrest), while the first witness to take artificial respiration, cardiopulmonary resuscitation ... CPR A, B, C three steps: the A-airway open. B-artificial respiration. ... must standardize the standard CPR A, B, C, D steps to rescue, to ... box) box;four sets of changeable capsule devices;convertible skin; thermosensitive paper vols 2005 International Guide CD-ROM a new operating first aid ...