Ключевые слова: 3d, analysis, attack, beat, book, cardiac, cardiogram, cardiograph, cardiology, career, cell, computer, consulting, creative, desk, desktop, digital, display, document, ecg, equipment, heart, heartbeat, icon, illustration, innovation, internet, journal, laptop, life, light, medicine, monitor, notebook, online, pc, poly, pulse, rate, rendering, screen, signal, simple, studying, surgery, symbol, technology, template, theme, web,