Ключевые слова: ache, acute, adult, angina, attack, breast, breathing, call, cardiac, cardiology, cardiovascular, care, chest, concept, condition, coronary, disease, emergency, failure, hand, health, heart, heartache, heartburn, hold, hospital, hurt, illness, infarct, lung, man, medical, medicine, pain, painful, palpitation, patient, people, person, pressure, problem, risk, sick, sickness, stress, stroke, symptom, unhealthy, white,