Ключевые слова: blood, cardiac, cardio, cardiology, care, check, clip, closeup, corona virus, coronavirus, covid19, device, digital, display, equipment, examine, finger, fingertip, hand, health, hospital, illness, indicator, level, measure, measurement, medical, medical equipment, monitor, monitoring, oximeter, oximetry, oxygen, oxygen saturation, oxymeter, patient, people, pneumonia, portable, pulse, pulse oximeter, pulse oximetry, sarscov2, saturation, senior, sensor, spo2, technology,