Ключевые слова: background, cardiac, cardiogram, cardiologist, cardiology, care, clinical, cure, desk, diagnose, diagnosis, disease, electrocardiogram, emergency, energy, equipment, exam, examination, graph, health, healthcare, healthy, heart, heartbeat, illness, instrument, listening, medical, medicine, pill, power, pressure, professional, pulse, red, research, rhythm, science, shape, stethoscope, symbol, test, tool, treatment,