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Welcome, eCureMe.com medical contents search January 23, 2015
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Epidural Hemorrhage

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Epidural hematoma

 




Normal

Abnormal
  • A protective lining called the dura, which normally keeps the brain matter intact and supplies it with nutrition, oxygen-rich blood, and spinal fluid, normally covers the brain.  When the head sustains an injury (e.g., from a severe blow, fall, or accident), the brain is jolted within the skull.  This may cause the blood vessels surrounding the brain and dura to tear, allowing the blood to gush out and accumulate within the space between the dura and the skull, and eventually clot.  This is known as an epidural hematoma.
  • Swelling is due to the blood and clotting pushing against the confines of the skull, forcing the brain to compensate by shifting to accommodate the mass and pressure.
  • Depending on the degree of shift and the pressure on other brain structures, such symptoms as headache, drowsiness dizziness, vomiting, and pupil dilation may occur.  The patient may have difficulty staying awake, problems with walking or moving an arm, difficulty with speech, and more (seriously problems) with breathing and coma.
  • Elderly who have trouble walking, alcoholics who fall often, and those taking blood-thinning medicine (e.g., warfarin) are especially at risk.
  • A CAT scan or an MRI may be done to better visualize the hematoma, so that a neurosurgeon may remove the clot.




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