Ключевые слова: 3d, ai, background, blood, cardiac, cardiogram, cardiology, care, clinic, closeup, data, display, doctor, ecg, education, ekg, electrocardiogram, emergency, equipment, er, health, heart, hospital, instrument, isolated, learning, life, mask, medical, medical technology, medicine, monitor, monitoring, nurse, operating, operation, oxygen, patient, pulse, rate, realistic, sign, surgery, surgical, technology, tr, treatment, urgency, vital, wave, white,