Ключевые слова: 3d, anatomy, apparatus, arrhythmia, artificial, background, beating, biology, cardiac, cardio, cardiogram, cardiograph, cardiologist, cardiology, cardiovascular, care, check, clinic, closeup, device, disease, electrical, electronic, emergency, equipment, health, heart, heartbeat, help, hospital, human, illustration, implant, isolated, life, measurement, medical, medicals, medicine, metal, pacemaker, pathology, patient, person, pulse, regulate, science, technology, treatment, yellow,