Ключевые слова: arrhythmia, atlas, background, beat, cardiac, cardio, cardiogram, cardiologist, cardiology, care, chart, check, circuit, clinic, compare, comparison, conduction, diagnose, diagnosis, disease, disorder, ecg, ekg, electrocardiogram, flutter, graph, graphic, health, healthcare, heart, irregular, medical, medicine, normal, pathology, place, pulse, regular, response, rhythm, rhythmic, sinus, technology, test, text, therapy, two, ventricular,