Ключевые слова: blood, bpm, cardiac, cardiology, care, check, coronavirus, covid19, device, digital, disease, electronic, equipment, finger, fingertip, hand, health, heart, heartbeat, hemoglobin, home, level, measure, measurement, medicine, monitor, monitoring, normal, oximeter, oximetry, oxygen, oxygenation, oxymeter, patient, people, person, pressure, pulse, pulse oximeter, pulsoximeter, rate, saturation, spo2, symptom, technology, test, tool, using, vital, woman,