Ключевые слова: blood, cardiac, cardiogram, cardiology, care, caucasian, clinic, clinical, closeup, device, dialyser, dialysis, disease, ecg, ekg, electrocardiogram, equipment, filter, health, healthcare, heartbeat, hemofiltration, hospital, illness, instrument, kidney, machine, medical, medicine, monitor, monitoring, patient, professional, purification, red, renal, treatment,