Which safety measure should be taken first when assisting distressed swimmers?

Assessing the scene is the most critical first step when assisting distressed swimmers because it allows you to understand the situation before taking action. By evaluating the environment, you can identify potential hazards, determine the number of people involved, and gauge the swimmer's condition and immediate surroundings. This ensures that you can provide help effectively without putting yourself or others at risk.

If you jump in immediately without assessing the scene, you may dive into a dangerous situation where additional help is needed or where conditions could worsen. Calling for assistance is crucial, but if you do not first understand the scene, you may relay incorrect information or delay the response to the actual emergency. Similarly, using flotation devices without a proper assessment could lead to additional complications, especially if the swimmer is panicking or in distress. Thus, starting with a complete assessment maximizes safety and the effectiveness of the rescue efforts.