Ключевые слова: 3d, analysis, background, beat, cardiac, cardiogram, cardiograph, cardiography, cardiology, care, chart, curve, device, diagnosis, ecg, electrocardiogram, electrocardiograph, emergency, equipment, frequency, glow, health, healthy, heart, heartbeat, hospital, illustration, life, line, medical, medicine, monitor, power, protective, pulsating, pulse, rate, rendering, rhythm, screen, signal, surgery, technical, technology, test, treatment, vital, wave,