EXTRADURAL HEMATOMAS Meaning and
Definition
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Extradural hematomas, also known as epidural hematomas or EDH, are a specific type of traumatic brain injury characterized by bleeding between the inner surface of the skull and the outermost layer of the brain, known as the dura mater. This condition occurs when a tear or rupture in an artery, often the middle meningeal artery, leads to the accumulation of blood in the space between the skull and the dura mater.
Extradural hematomas typically result from a severe impact to the head, such as a fall, car accident, or sports injury, that causes the skull to fracture. The forceful blow disrupts the blood vessel, leading to bleeding into this potential space. As the hematoma expands, it places increasing pressure on the brain, which can lead to serious complications.
Symptoms of extradural hematomas often develop slowly over time, owing to the gradual accumulation of blood. They commonly include headache, dizziness, confusion, nausea, vomiting, seizures, weakness, and changes in vision or consciousness. In some cases, there may be a lucid interval, where the individual appears to recover temporarily before deteriorating rapidly due to the expanding hematoma.
An extradural hematoma requires emergency medical treatment to prevent irreversible damage. A diagnostic imaging test, such as a CT scan, is usually performed to confirm the presence of the hematoma. Treatment typically involves surgical intervention to remove the clot and repair any skull fractures. Prompt medical intervention is critical to prevent long-term complications such as brain damage, neurological deficits, or even death.
Common Misspellings for EXTRADURAL HEMATOMAS
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Etymology of EXTRADURAL HEMATOMAS
The word "extradural" is derived from the Latin prefix "extra", meaning "outside", and the Latin word "dura", which refers to the tough membrane covering the brain and spinal cord called the dura mater. "Hematomas" originated from the Ancient Greek words "haima" meaning "blood" and "tomos" meaning "a cutting". Therefore, "extradural hematomas" combine these terms to describe a condition where bleeding occurs outside the dura mater.
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