Ключевые слова: background, blackboard, cardiac, cardiology, care, chalk, chalkboard, checkup, claim, clinic, concept, device, disease, education, emergency, equipment, examination, health, healthcare, healthy, heart, heartbeat, hospital, illness, instrument, insurance, investment, love, medical, medicine, nobody, nursing, object, patient, prevention, protection, pulse, red, risk, risky, safety, secure, shape, sick, solution, stethoscope, test, text, therapy, white,