Ключевые слова: 911, accident, active, aid, airway obstruction, assistance, attack, basic life support, basic life support defibrillator, cardiac, cardiac massage, cardiopulmonary, cardiopulmonary resuscitation, care, certification, chest, concept, conduction, cpr, cpr class, cpr training, danger, dangerous, dead, defibrillator, demonstrating, demonstration, doctor, dummy, education, emergency, equipment, exam, exercise, fingers, first, first aid, first aid kit, first aid man, frame, health, healthcare, healthy, heart attack, hypertension, instruction, instructor, learning, lifeguard, lifesaver, medical, paramedic, practice,