Ключевые слова: background, blood, business, cardiology, care, caucasian ethnicity, check, clinic, device, diagnosis, diagnostic, digital, doctor, electronic, equipment, females, hand, health, healthy, heart, hospital, hypertension, illness, indoors, instrument, instrument of measurement, isolated, lifestyle, macro, measure, measurement, medic, medical, medication, medicine, meter, monitor, nurture, patient, people, physician, pressure, pulse, sample, sitting, stethoscope, test, tool, workout,