Ключевые слова: cardiac, cardiology, care, clean, clinic, concept, copy space, device, diagnose, diagnosis, diagnostic, disease, doctor, equipment, examination, health, healthcare, heart, heartbeat, hospital, hygiene, illustration, isolated, lab, medic, medical, medicine, nobody, nurse, object, prevention, professional, protect, protective, pulse, pulsoxymeter, safety, sterile, stethoscope, surgeon, surgical, test, tool, treatment, uniform, white,