Ключевые слова: ache, adult, angina, attack, background, burn, cardiac, cardiologist, cardiology, cardiopathy, cardiovascular, care, caucasian, chest, closeup, concept, disease, emergency, failure, hand, having, health, heart, human, illness, infarction, isolated, male, man, medical, medicine, myocardial, pain, painful, people, person, problem, red, sick, sickness, stress, stroke, sudden, suffering, symptoms, treatment, unhealthy, white, young,