Ключевые слова: african american, apothecary, arm, cardiac, cardiology, check, check up, client, close up, close view, closeup, consultation, customer, device, diagnosis, doctor, drugstore, equipment, examining, finger, fingertip, hand, health, health care, healthcare, heartbeat, hold, instrument, measure, measurement, medic, medical, medicine, monitoring, oxygen saturation, patient, people, pharmaceutical, pharmaceutics, pharmacist, pharmacy, pulse, pulse oximeter, pulse oximetry, result, screen, selective focus, service, use, woman,