Ключевые слова: beat, blood, capsule, cardio, cardiogram, cardiograph, cardiology, care, chart, checkup, clinic, con, diagnose, diagnosis, disease, doctor, ekg, electrocardiogram electric, emergency, examination, examine, frequency, graph, health, healthy, heartbeat, home, hospital, ill, illness, life, line, medical, medicine, monitor, paper, pattern, pills, print, pulse, rate, rhythm, science, sick, test, texture, wave, waveform,