Ключевые слова: abstract, analysis, analyst, black, body, breach, cardiac, cardie, cardiogram, cardiologist, cardiology, care, clinic, close, closeup, death, detail, ecg, ekg, electrocardiogram, electrocardiograph, fitness, frequency, graph, graphic, health, healthy, heart, help, life, light, medical, medicine, outpatient, paper, part, patient, pattern, people, printout, red, still, test, unfocused, up, wave, well, wellness, white,