Ключевые слова: abstract, background, blue, cardiac, cardio, cardiology, care, check, checkup, clean, clinical, closeup, coat, copy, device, diagnosis, diagnostic, doc, doctor, equipment, exam, examination, examine, flu, frequency, gown, health, healthy, hear, heart, hospital, illness, instrument, instrumental, lab, laboratory, map, medica, medical, medicine, practitioner, professional, sanitary, stethoscope, surgeon, technology, tool, white,