What is Subarachnoid Hemorrhage (SAH)? The brain is surrounded by three layers of coverings. All the important arteries supplying blood to the brain and veins draining impure blood from the brain run between these three layers. Bleeding into the subarachnoid space is known as Subarachnoid Hemorrhage (SAH). What causes SAH? The most common cause of SAH is head injury. However, the most devastating cause of SAH is due to rupture of a brain aneurysm.
Often the bleeding stops, and the person survives. In more serious cases, the bleeding may cause brain damage with paralysis or coma. In the most severe cases, the bleeding leads to death. Bleeding into the cerebrospinal fluid may lead to acute increase in the intracranial pressure. Other conditions that can cause SAH are vascular malformation of the brain and venous stroke What are the symptoms of SAH? The main symptom is a sudden severe…
