Ключевые слова: ache, adult, aged, angina, attack, background, breathing, cardiac, cardiovascular, care, caucasian, chest, chestpain, condition, disease, elderly, expression, failure, hand, health, heart, heartattack, heartbreak, hurt, illness, male, man, medical, medicine, older, pain, painful, palpitation, people, person, problem, retirement, senior, shirt, sick, sickness, stress, stroke, sudden, suffering, symptoms, unhealthy, white, worried, young,