Ключевые слова: analyse, analysis, analyze, artery, beat, beating, cardio, cardiogram, cardiograph, cardioid, cardiological, cardiologist, cardiology, cardiomiopathy, care, chart, checkup, chest, clinic, diagnose, diagnoses, diagnosis, disease, doctor, draw, ecg, ekg, electric, electrocardiogram, examination, examine, finger, graph, graphic, hand, heartache, heartbeat, hearts, hospital, ill, illness, medical, medicine, nail, palm, paper, plot, plotting, print, pump, result, results, sickness, test,