blsd. first aid training concept. the use of an automatic external defibrillator in conducting a basic cardiopulmonary

aid arrest assistance attack automated automatic basic blsd cardiac cardiology cardiopulmonary care chest clinical compression concept conducting cpr dead death defibrillation defibrillator device doctor education emergency equipment exercise external first hand health heart heartbeat help injury instructor learning life massage massaging medicals nursing paramedic patient practice procedure pump rescue resuscitation safety saving staff training use