Can stroke be caused by a severe laceration?

Stroke from Lac: A laceration can cause a stroke if it significantly reduces the flow of blood to the brain. This can be direct (injuring the artery going to the brain, or knocking off a plaque inside the artery) or indirect (causing massive blood loss and severely low blood pressure). Low blood pressure by itself can cause a stroke.

Rarely: If there are extreme emotional responses that may have raised blood pressure or severe blood loss causing extreme pressure drop. I have never seen this.