Ключевые слова: ambulance, analysis, artery, attack, background, beat, beating, cardio, cardiogram, cardiograph, cardiology, chart, clinic, curve, diagnosis, disease, down, drawing, emergency, examine, fit, frequency, graph, graphic, health, heartbeat, ill, illness, infarct, line, macro, measurement, medicals, medicine, mesh, number, paper, pattern, peak, pulse, record, red, result, sick, sickness, technology, up, wave, white,