Conclusion: the oxygen therapy effect of nasal cannulae and changed two-sided hole pipe is same, but the changed two-sided hole pipe is to surpass the nasal cannulae to receive the oxygen.
3
将供氧管与急救袋和流量计相连,将氧气调节至100%吸氧浓度分数或规定速度。
A. Connect oxygen supply tubing to Ambu bag and oxygen flowmeter. Adjust oxygen to 100% FiO2 or ordered rate.