Ключевые слова: background, blue, cardiac, cardiology, care, clinical, device, display, doctor, electronic, equipment, finger, gloves, hand, health, heart, heartbeat, hospital, human, infrared, instrument, level, measure, measurement, medical, medicine, modern, monitor, monitoring, oximeter, oxygen, people, person, pressure, pulse, rate, saturation, scientific, sensor, smart, stethoscope, technology, test, thermometer, tool, vital,