Ключевые слова: age, area, arrest, arrhythmia, artery, atherosclerosis, attack, background, breath, cardiac, cardiology, care, catastrophic, catch, chest, coronary, disabled, disease, elder, elderly, emergency, gerd, gray, health, heart, heartburn, hurt, ill, illness, indigestion, infarction, inflammation, isolated, male, medical, men, myocardial, old, older, pain, painful, people, senior, severe, sick, standing, stress, suffer, unhealthy, unwell,