Jan 31, 2024 · What is a subdural hematoma? A subdural hematoma is a type of bleeding inside your head. It happens when blood collects under the dura mater, one of the layers of tissue that protect …

A subdural hematoma (SDH) is a type of bleeding in which a collection of blood —usually but not always associated with a traumatic brain injury —gathers between the inner layer of the dura mater and the …

Dec 28, 2023 · When bleeding occurs between the dura and the next layer, the arachnoid membrane, it's called a subdural hematoma. This bleeding occurs under the skull and outside the brain, not in …

Jun 24, 2023 · Blood builds up between the brain and the brain's tough outer lining. The condition is also called a subdural hemorrhage. In a subdural hematoma, blood collects immediately beneath the dura …

In a subdural hematoma, the blood seeps between the dura and the arachnoid layers. It collects inside the brain’s tough outer lining. This bleeding is often from a blood vessel that breaks within the space …

Jan 29, 2026 · Traumatic subdural hematoma (hemorrhage) is a disease characterized by the accumulation of blood in the subdural space associated with head and brain injury.

Feb 23, 2026 · Subdural hematoma (SDH) is a form of intracranial hemorrhage characterized by bleeding into the space between the dural and arachnoid membranes surrounding the brain.

Jun 13, 2024 · With any subdural hematoma, tiny veins between the surface of the brain and its outer covering (the dura) stretch and tear, allowing blood to collect. In older adults, the veins are often …

A subdural hemorrhage is a serious medical condition where blood collects beneath the dura mater, the outermost membrane surrounding the brain. This accumulation of blood puts pressure on the brain, …

Learn about subdural hematoma, its symptoms, causes and how it is diagnosed and treated at Northwell Health Institute for Neurology and Neurosurgery.