Answer :
Final answer:
In emergency medical situations, a third rescuer can perform supportive roles such as swapping with the first two responders to avoid fatigue, preparing an AED, or calling 911 if it hasn't been done. The specific duties depend on the situation, rescuer skills, and victim conditions. They aim to provide the best care and engage professional aid quickly.
Explanation:
In emergency situations requiring immediate medical assistance, responders act in an established sequence to ensure the victim has the best possibility for a positive outcome. When a third rescuer is available, they can perform key supportive roles to bolster the effectiveness of the first two rescuers. In the sequence associated with CPR (Cardiopulmonary Resuscitation), for example, the first rescuer might provide chest compressions, and the second rescuer might provide artificial respiration. Here, a third rescuer could likely monitor and swap positions with the first two rescuers to minimize fatigue, maintain a high standard of care, and they could prepare an automated external defibrillator (AED) for use, or call 911 if this hasn't already been done.
However, responsibilities can vary depending on specifics of the situation, the skills of the rescuers, and the condition of the victim or victims. As always, training and guidance from professional first-aid and CPR organizations should be followed. In all cases, the aim is to work in unison to provide the best immediate care possible and to get professional assistance on the scene as quickly as is feasible.
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