Ключевые слова: beams, blood, blood i, cardiology, care, chamber, childhood, clinic, coronavirus, covid19, earlobe, electronic, electronics, emergency, equipment, finger, health, heart, heartbeat, hospital, incubator, infant, measuring, medical, medicine, monitor, monitoring, neonatal, nursery, oximeter, oximetry, oxygen, oxygenated, patient, pediatric, pediatrician, premature, prevention, pulse, pulse oximetry, rate, resuscitation, safe, sensor, sick, sterile, technology, toe,