Ключевые слова: american, background, calendar, cardiac, cardiology, care, clinic, clinical, concept, day, device, diagnosis, diagnostic, disease, doctor, equipment, examination, flag, happy, health, healthcare, healthy, heart, heartbeat, holiday, hospital, illness, instrument, measurement, medical, medicine, message, mint, national, note, nurse, paper, pressure, professional, pulse, red, sick, stethoscope, symbol, text, tool, treatment, wooden,