Ключевые слова: adult, aid, arm, beat, blood, cardio, cardiology, care, caucasian, check, checking, clinic, closeup, counting, doctor, female, hand, hands, health, heart, heartbeat, high, hospital, hypertension, ill, lifestyle, measure, measurement, measuring, medic, medicine, monitoring, normal, nurse, patient, people, person, pressure, pulsation, pulse, rate, rating, rhythm, service, sick, stress, time, woman, wrist, young,