Ключевые слова: background, cardiac, cardiologist, cardiology, clean, closeup, device, diagnose, diagnosis, diagnostic, disease, emergency, equipment, examination, gray, health, healthcare, hear, heartbeat, hospital, hotspot, instrument, listen, measurement, medical, medicine, metal, nurse, orange, physician, profession, professional, pulse, research, science, scientific, steel, sterile, stethoscope, student, test, tool, treatment, white,