Ключевые слова: analysis, analyze, arrhythmia, beat, cardiac, cardio, cardiogram, cardiograph, cardiologist, cardiology, cardiovascular, care, chart, check, checkup, control, diagnose, diagnosis, diagnostic, diagram, disease, doctor, ecg, ekg, electrocardiogram, electrocardiograph, electrocardiography, evaluation, examination, examine, graph, graphic, health, healthcare, heart, heartbeat, heartbeats, hold, illness, inspect, look, medical, paper, patient, print, pulse, record, review, rhythm, test,