Ключевые слова: background, blood, cardiac, care, clinic, color, composition, copy, device, digital, electronic, equipment, finger, fingertip, flat, health, heartbeat, hemoglobin, items, lay, level, light, machine, mask, measure, measurement, medical, modern, monitor, monitoring, object, orange, oximeter, oximetry, oxygen, oxymeter, pills, pressure, pulse, rate, saturation, screen, space, stethoscope, technology, text, tool, top, view, vital,