If ventilation attempt is u ucce ful, reposition the client's head and reattempt rescue breathing again. If ventilation attempt remai u ucce ful, the airway may be o tructed by a foreign body that will need to be removed.
If ventilation attempt is u ucce ful, reposition the client's head and reattempt rescue breathing again. If ventilation attempt remai u ucce ful, the airway may be o tructed by a foreign body that will need to be removed.
如人工勇气失败，重新放置病人头部，再次开始抢救呼吸。如再次失败，气道可能有异物堵塞，需要去除异物。