Final answer:
Ella Mae just started the stage of preparation for her career when she was diagnosed with a condition that disrupted her career trajectory.
Step-by-step explanation:
Based on the given information, Ella Mae just started the stage of preparation for her career when she was diagnosed. She was a dedicated nurse with a talent for observation, and she began keeping diaries to document her experiences. These diaries showed both the discipline of her training and the challenges she faced caring for wounded soldiers. Unfortunately, she was diagnosed with a condition that disrupted her career trajectory.