Ключевые слова: ache, adult, angina, asian, attack, breast, breathing, cardiac, care, chest, condition, disease, emergency, hand, health, healthcare, heart, human, hurt, ill, illness, infarction, isolated, lung, male, man, mature, medical, old, pain, painful, people, person, sick, sickness, sign, stress, stroke, sudden, suffering, thai, unhealthy, white, worried,