Ключевые слова: beat, blood, cardiogram, cardiologist, cardiology, care, check, clinic, device, digital, doctor, equipment, female, finger, health, healthcare, heart, heartbeat, heartrate, home, hypertension, instrument, irregular, lady, machine, measure, medical, medicine, meter, monitor, patient, pressure, pulse, pulsometer, rate, regular, sick, test, treatment, woman,