Ключевые слова: arrhythmia, background, beat, cardiogram, cardiology, care, chart, closeup, computer, danger, depression, ecg, education, ekg, electrocardiogram, equipment, form, graph, graphic, health, healthcare, healthy, heart, heartbeat, heartshaped, hospital, ischemia, lateral wall, macro, medical, medicine, nobody, paper, pattern, print, printout, pulse, research, science, sign, stethoscope, symbol, technology, test, texture, tracing, wave,