Ключевые слова: cardiogram, cardiology, care, clip, digital, display, electronics, equipment, exam, face mask, graph, health, healthcare, heartbeat, hospital, machine, mask, measuring, medical, medical equipment, modern, monitor, oximeter, oxygen, patient, portable, pulse, result, resuscitation, saturation, scientific, selective focus, sensor, stethoscope, surgery, technology, test, viral, virus,