Ключевые слова: adult, aid, analysis, background, beat, blood, blue, body, cardiac, cardio, cardiovascular, care, checking, closeup, color, copy, diagnosis, disease, examination, fingers, hands, health, heart, heartbeat, help, hypertension, illness, lifestyle, male, man, measure, measuring, medical, medicine, monitor, patient, person, pressure, pulse, rate, rhythm, self, space, test, text, watch, wrist, young,