Ключевые слова: analysis, background, beat, blood, body, cardio, cardiogram, cardiology, cardiovascular, care, checking, clinic, computer, consultation, control, device, diagnostic, digital, disease, display, doctor, emergency, examination, grey, hands, health, heart, hr, illness, light, medicine, modern, monitor, online, patient, people, person, pressure, profession, pulsation, pulse, rate, rhythm, screen, sickness, tablet, technology, test, treatment, work,