Ключевые слова: analyse, analyze, artery, beat, beating, blood, bypass, cardiac, cardio, cardiogram, cardiograph, cardioid, cardiological, cardiologist, cardiology, cardiomiopathy, cardiovascular, care, chart, checkup, chest, clinic, data, diagnose, diagnosis, diagnostic, diagram, disease, doctor, ecg, ekg, electrocardiogram, electrocardiograph, examination, examine, flutter, graphic, health, heart, heartache, heartbeat, hospital, icu, ill, illness, isolated, laboratory, life, limits, measurement, medical, medicine, normal, nurse, paper, patient, physician, plot, plotting, print, printed, printout, pulmonary, pulse, pump, result, sickness, slipping, surgeon, test, therapy, treatment, ventricle, waveform,