Ключевые слова: artery, backgrounds, beauty, body, cardioversion, closeup, computer, concepts, copy, defocused, eeg, electricity, electro, electrode, epilepsy, experiment, frequency, graph, health, healthcare, heart, horizontal, infarction, life, medical, medicine, monochrome, nobody, oscilloscope, paper, pattern, printout, procedure, pulse, scaned, science, scientific, screen, shape, single, sinus, symbol, taking, test, time, trace, unconscious, visual, wave,