Ключевые слова: 3d, attack, background, beat, blue, cardiac, cardiogram, cardiograph, cardiology, care, concept, curve, diagnosis, diagram, disease, display, ecg, ekg, electrocardiogram, electrocardiograph, examining, frequency, graph, graphic, health, healthy, heart, heartbeat, hospital, human, illustration, life, line, medical, medicine, monitor, monitoring, normal, oscilloscope, pattern, pulse, rate, render, rhythm, science, screen, shape, technology, test, wave,