(CNN)The pictures are dramatic and shocking and that is why they have been viewed around the world. Anita Alvarez is unconscious at the bottom of the pool after the end of her routine at the FINA World Aquatic Championships. Her knees are touching the tiles, her arms are limp, her eyes are closed. Later, we learn she wasn’t breathing. What would have happened had her coach, Andrea Fuentes, not noticed the swimmer’s feet seemed more pale than normal, putting her on high alert, and what if she had not reacted like lightning by jumping in to save her athlete when she saw the American was sinking instead of rising to breathe? In the end, as Fuentes has told numerous journalists following Wednesday’s incredible rescue, all was OK.