EXTRADURAL HEMORRHAGE Meaning and
Definition
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Extradural hemorrhage, also known as epidural hemorrhage, is a type of traumatic brain injury characterized by bleeding between the dura mater (the protective outermost layer of the brain) and the skull. This condition occurs when a blood vessel, often an artery, ruptures following a head injury or trauma, leading to the accumulation of blood in the extradural space.
In an extradural hemorrhage, the bleeding usually results from a skull fracture that damages the middle meningeal artery, a major blood vessel located beneath the skull. As blood accumulates between the dura mater and the skull, it creates pressure on the brain, potentially causing significant damage if left untreated. The most common cause of extradural hemorrhage is a severe blow to the head, such as those commonly associated with car accidents, falls, or sports injuries.
Symptoms of extradural hemorrhage may develop immediately or after a delay, depending on the severity of the injury. Common symptoms include a rapid or worsening headache, confusion, loss of consciousness, seizures, focal neurological deficits, and even coma. Prompt medical intervention is crucial to prevent life-threatening complications.
Diagnosis of extradural hemorrhage typically involves advanced imaging techniques such as computed tomography (CT) scans or magnetic resonance imaging (MRI) to confirm the presence of bleeding, identify its location, and assess the extent of brain injury. Treatment usually involves surgical intervention, specifically a craniotomy, where a portion of the skull is temporarily removed, and the clot is evacuated to relieve pressure on the brain and stop further bleeding.
Common Misspellings for EXTRADURAL HEMORRHAGE
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Etymology of EXTRADURAL HEMORRHAGE
The word "extradural" comes from the combination of two Latin roots: "ex" meaning "outside" or "beyond" and "dura" meaning "hard" or referring to the "dura mater", which is the tough outermost membrane surrounding the brain and spinal cord. "Hemorrhage" originates from the Greek word "haimorrhagia", which is a combination of "haima" meaning "blood" and "rhēgnȳmi" meaning "burst forth" or "break". So, "extradural hemorrhage" refers to bleeding outside the dura mater, typically caused by trauma or injury to blood vessels in that region.
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