How to tell when oxygen is a patient's worst enemy

 作者:澹台玺浍     |      日期:2019-03-02 04:08:02
By Emma Young FACED with a patient in respiratory distress in the emergency room, doctors usually administer high concentrations of oxygen via a mask. But for some people with chronic obstructive pulmonary disease, a burst of oxygen can actually shut down the body’s breathing reflex. Spotting at-risk patients normally takes precious minutes, but now a non-invasive sensor for measuring the concentration of carbon dioxide in the blood could identify such people in seconds. The device, created by Shin-Won Kang at Kyungpook National University in Daegu, South Korea, and his team,