An Acute subdural hematoma (SDH) or Blood Clot in Brain is a collection of blood (clot) between the surface and outer covering of the brain. It is a serious condition that is most lethal among all head injuries.
The main cause of hematoma formation in subdural space is severe head injury from fall, motor vehicle collision, or a physical assault. But in some cases, minor bumps to the head can also lead to a subdural haematoma. The sudden blow causes tearing of blood vessels and results in bleeding and collection of blood between the dura and the next layer, the arachnoid.
In addition to head injury, following factors also increase the risk for subdural hematoma:
The accumulation of blood also increases pressure inside the brain and causes following symptoms of subdural hematoma in the person:
Some of the subdural hematomas stop and resolve spontaneously but others require treatment depending upon their size, location, severity and health of the patient. Treatment may include: