Ключевые слова: 3d, 3d rendering, aids, apparatus, arrhythmia, artificial, artificial cardiac pacemaker, background, beating, cardiac, cardiac pacemaker, cardio, cardiologist, cardiovascular, care, closeup, contracting, desk, device, disease, electrical, electrodes, electronic, equipment, gray, health, healthcare, heart, help, illness, illustration, impulses, medical, medicine, muscles, no people, object, one, pacemaker, patient, pulse, rate, regulate, single, table, technology, wooden,