Breakdown of La victime présente un malaise avec perte de connaissance.
Questions & Answers about La victime présente un malaise avec perte de connaissance.
In French first-aid, medical, and procedural language, la victime often means the victim/patient/casualty being dealt with, even when speaking generically.
So la victime here does not necessarily mean a specific previously mentioned person in a story. It can be the standard way to refer to the person you are examining or helping.
Using une victime would sound more like a victim in a general description, introducing someone for the first time.