Ключевые слова: background, book, cardiac, cardiology, care, check, checkup, chemical, closeup, cure, diagnose, diagnosis, diagnostic, disease, education, emergency, equipment, exam, examination, examine, health, healthcare, healthy, hear, hospital, icon, illness, knowledge, learning, listen, medical, medicine, physician, practitioner, professional, red, research, sick, sign, stethoscope, study, surgeon, symbol, technology, test, therapist, treatment, university, wellness, white,