Ключевые слова: age, aged, aid, bed, cardiologist, care, checking, cheering, clinic, clinical, clinician, clock, concept, doctor, elderly, exam, examination, female, health, healthcare, healthy, heartbeat, help, hospital, indoors, job, listening, lying, medic, medical, medicine, nurse, old, pensioner, people, person, problem, professional, room, senior, sick, specialist, stethoscope, therapist, time, unhealthy, visit, visiting, watch, women,