Ключевые слова: analyse, analysis, analyze, beat, cardio, cardiogram, cardiograph, cardiological, cardiology, cardiomiopathy, care, chart, checkup, diagnose, diagnosis, disease, ecg, ekg, electrocardiogram, exam, examination, fitness, graph, health, healthcare, healthy, heart, heartbeat, jigsaw, jigsaw puzzle, medical, medicine, missing, missing piece, myocardial, patient, physical, plot, print, pulse, puzzle, puzzle piece, rate, stress, stress test, stroke, test,