Ключевые слова: abstract, analyzing, beating, cardiac, chart, computer, design, diagram, digital, digitally, energy, equipment, experiment, frequency, glowing, graph, graphic, heart, heartbeat, illness, illustration, image, life, lifestyles, light, line, luminosity, medical, medicine, mesh, monitor, monitoring, power, pulsating, pulse, red, science, shape, sign, single, space, star, surveillance, symbol, system, taking, technical, technology, test, three dimensional, trace, visualization, vitality, wave,