What if she was bleeding to death and no one could reach her to stop the flow?

Case Study Mallory

When Mallory regained consciousness, she was lying in a pile of other passengers who had been thrown together in the same corner of the car. As far as she could make out in the dim light, most were unconscious and bleeding. Mallory put her hand to her own forehead and it came back wet with blood. She was horrified.

What if she was bleeding to death and no one could reach her to
stop the flow?