Ключевые слова: accident, attack, blood pressure, cardiac, cardio, caucasian, chest pain, circulation, city, convulsion, coronary, cramp, disease, elderly, emergency, exhausted, exhaustion, faint, female, first aid, hand, heart, heart attack, heart failure, heart pain, helpless, hold, ill, infarct, old, pain, palpitations, pangs, pensioner, people, person, powerless, press, pressure, retiree, seizure, senior, senior citizen, senior citizens, sick, sit, sting, stroke, twitch, walk, weak, woman,