Ключевые слова: abstract, analysis, beat, cardio, cardiogram, cardiograph, cardioid, cardiology, care, concept, curve, dead, diagnosis, disease, display, ecg, ekg, emergency, flat, flatline, graph, graphic, grid, health, healthy, heart, heartbeat, hospital, illustration, life, line, love, medical, medicine, pulse, rate, rhythm, sick, test, trace, vitality,