Ключевые слова: analysis, analyze, attack, background, beat, cardiac, cardiogram, cardiology, care, chart, curve, diagnosis, digital, disease, editable, electrocardiogram, electrocardiograph, energy, exam, frequency, graph, graphic, health, healthy, heart, heartbeat, human, illustration, life, line, medical, monitor, patient, pattern, pressure, pulse, pumping, rate, red, shape, sick, signal, stress, technology, test, trace, vitality, wave, waveform,