Ключевые слова: aged, blood, blood pressure, cardiac, cardiology, care, control, device, diagnostic, diastole, digital, domestic, electronic, equipment, female, finger, hand, health, healthcare, healthy, heart, heart rate, hypertension, instrument, irregular heart rate, level, machine, measure, medical, meter, monitor, monitoring, old, old age, portable, pressure, pulse, rate, resting pulse, rhythm, small, systole, test, tool, woman,