Ambu-bags are reasonably priced, user-friendly, and typically come with positive-end expiratory valves that can be helpful in improving oxygenation in cases of long-term ventilation. If you’re a Paramedic, EMS, or care for someone who has a respiratory issue an Ambu Bag it’s important to keep emergency resuscitation bags (Ambu Bag) near & ready to use in case you need to render temporary ventilation until other emergency medical help arrives.