Subarachnoid hemorrhage: (SAH) is a type of extra-axial intracranial

Subarachnoid hemorrhage (SAH) is a type of extra-axial intracranial hemorrhage and denotes the presence of blood within the subarachnoid space. Spinal subarachnoid hemorrhage is discussed separately. Subarachnoid hemorrhage (SAH) is a type of stroke, or more specifically brain hemorrhage, in which there is bleeding on the surface of the brain. The bleeding occurs in a space between the layers of tissues that cover the brain, in an area called the subarachnoid space. SAH is a medical emergency and is life-threatening. People who survive an SAH may be left with disability. Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it. Subarachnoid hemorrhage is bleeding in the area between the brain and the thin tissues that cover the brain. This area is called the subarachnoid space. Subarachnoid bleeding is an emergency and prompt