Ключевые слова: analysis, background, cardiac, cardiogram, cardiology, care, clinic, clinical, device, display, electronic, equipment, examination, fingertip, health, heart, heartbeat, hospital, instrument, level, machine, measure, measurement, measuring, medical, medical monometer, medicine, modern, monitor, monitoring, oximeter, oxygen, pink, pressure, pulse, pulse oximeter, rate, saturation, sensor, smart, stethoscope, tape, technology, tool, treatment, vital, white,