Head injuries bleed a lot because of all the blood vessels there. Doctors refer to this as a hematoma and, for the most part, a superficial hematoma is not harmful. ![]() When bleeding is restricted to one area, bruising and swelling may appear. Most bleeding from minor head wounds is not serious, however. Internal bleeding from a head injury may cause visible signs, such as a bruise, or cause injuries invisible to the naked eye.īleeding associated with head injuries can occur in brain tissues, in the layers surrounding the brain, and from the skin on your scalp. Internal bleeding occurs inside the head, while external bleeding spills blood outside of the body through a break in the skin. Head injuries can cause internal and external bleeding. Both types of head injuries can cause bleeding. An open head injury occurs when the object breaks your skull and enters your brain. A closed head injury is one where something hit you very hard on your head but the object did not break your skull. ![]() Traumatic brain injury (TBI) is a serious type of head injury, according to the Centers for Disease Control and Prevention (CDC), and more than 2 million people go to the emergency department for TBIs every year.Ī head injury may be closed or open. ![]() Head injuries can range in severity from a mild bump on your head to a serious brain injury. A head injury is any trauma to your scalp, skull, or brain. Bleeding happens as the result of trauma to a blood vessel.
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