If ventilation attempt is unsuccessful, reposition the client's head and reattempt rescue breathing again. If ventilation attempt remains unsuccessful, the airway may be obstructed by a foreign body that will need to be removed.
If ventilation attempt is unsuccessful, reposition the client's head and reattempt rescue breathing again. If ventilation attempt remains unsuccessful, the airway may be obstructed 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。