Hard to know.
Factor v leiden (inherited from one or both parents) increases your risk for clots in the legs that can travel
up to the lungs, where they can be lethal.
If your chest injury made you immobile for a period of time, i.e., days or weeks, you may have developed a leg clot that traveled northward. But the injury may have had nothing to do with the pe! could a recent plane flight have put you at risk?