Subdural hematoma causes: Difference between revisions

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{{Subdural hematoma}}
{{Subdural hematoma}}
{{CMG}}
{{CMG}} {{AE}} {{Fs}}


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==Overview==
==Overview==
'''Subdural hematomas''' are most often caused by [[head injury]], when fast changing [[velocity|velocities]] within the [[skull]] may stretch and tear small bridging [[vein]]s. Subdural hematomas due to head injury are described as [[Physical trauma|traumatic]]. Much more common than [[epidural hemorrhage]]s, subdural hemorrhages generally result from shearing injuries due to various rotational or linear forces.<ref name="UVT">University of Vermont College of Medicine. [http://web.archive.org/web/20030821142023/http://cats.med.uvm.edu/cats_teachingmod/pathology/path302/np/home/neuroindex.html "Neuropathology: Trauma to the CNS."] Accessed through web archive on [[August 8]], [[2007]]. </ref><ref name="wagner">Wagner AL. 2004. [http://www.emedicine.com/radio/topic664.htm "Subdural hematoma."] Emedicine.com. Retrieved on [[August 8]], [[2007]]. </ref> It is also commonly seen in the elderly and in alcoholics, who have evidence of [[brain atrophy]]. [[Cerebral atrophy]] increases the length the [[bridging veins]] have to traverse between the two [[meningeal]] layers, hence increasing the likelihood of shearing forces causing a tear. It is also more common in patients on [[anticoagulant]]s, especially [[aspirin]] and [[warfarin]]. Patients on these medications can have a subdural hematoma with a minor injury.
==Causes==
 


==References==
==References==

Revision as of 15:22, 17 May 2019

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