Ключевые слова: attack, background, blue, cardiac, cardio, cardiogram, cardiologist, cardiology, care, clinic, color, composition, concept, copy, coronary, cure, diagnosis, disease, emergency, equipment, failure, flat, health, heart, infarct, lay, medical, medicine, murmur, object, pain, palpitations, paper, patient, pills, pressure, protection, pulse, space, stethoscope, stress, stroke, surgery, symptoms, text, top, treatment, unhealthy, view, words,