Ключевые слова: ache, aid, artificial, attack, businessman, cardiac, cardiopulmonary, chest, colleagues, cpr, dying, emergency, employee, first, floor, health, heart, heartbreak, heartburn, helping, ill, illness, infarct, infarction, lying, male, man, manager, medical, mouthtomouth, office, pain, palpitation, pressure, respiration, resuscitation, sick, sickness, stress, stressed, stroke, sudden, suffering, supporting, tired, unwell, ventilation, work, working, young,