Ключевые слова: 3d, 3d rendering, aids, apparatus, arrhythmia, artificial, artificial cardiac pacemaker, background, beating, cardiac, cardiac pacemaker, cardio, cardiologist, cardiovascular, care, closeup, contracting, cut out, device, disease, electrical, electrodes, electronic, equipment, gray, health, healthcare, heart, help, illness, illustration, impulses, isolated, medical, medicine, muscles, object, one, pacemaker, patient, pulse, rate, regulate, single, technology, white,