Ключевые слова: abstract, analysis, background, beat, blood, cardio, cardiogram, cardiograph, cardiology, care, chart, clipart, curve, design, diagnosis, donor, electrocardiogram, flat, frequency, graph, graphic, health, healthcare, healthy, heart, heartbeat, hospital, icon, illustration, isolated, life, line, love, medical, medicine, monitor, monitoring, people, pulse, rate, red, rhythm, sign, symbol, technology, test, wave, white, work,