Ключевые слова: anxiety, background, blood, cardiac, check, closeup, concept, control, device, digital, disease, elderly, electronics, emergency, finger, girl, hand, health, health care, heart, heartbeat, help, home, hospital, male, man, mature, measure, medical, medicine, monitor, nursing, patient, pill, pneumonia, prevention, results, senior, service, space, technology, virus, white, white background, woman, young,