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For example, a patient who injures the base of their thumb might cause a hematoma, which will slowly move all through their finger within a week. Gravity is the main determinant of this process. Hematomas on articulations can reduce mobility of a member and present roughly the same symptoms as a fracture .
People on these medications can have a subdural hematoma after a relatively minor traumatic event. Another cause can be a reduction in cerebrospinal fluid pressure, which can reduce pressure in the subarachnoid space, pulling the arachnoid away from the dura mater and leading to a rupture of the blood vessels. [10]
Blunt splenic trauma most often occurs in automobile accident victims, in which it is a leading cause of internal bleeding. However, any type of major impact directed to the spleen may cause splenic trauma. This can happen in bicycling accidents, when the handlebar is forced into the left subcostal margin, and into the spleen.
A "heat hematoma" is an epidural hematoma caused by severe thermal burn, causing contraction and exfoliation of the dura mater and exfoliate from the skull, in turn causing exudation of blood from the venous sinuses. [13] The hematoma can be seen on autopsy as brick red, or as radiolucent on CT scan, because of heat-induced coagulation of the ...
Spleen is the most common cause of massive bleeding in blunt abdominal trauma to a solid organ. Spleen is the most commonly injured organ. A laceration of the spleen may be associated with hematoma. [13] Because of the spleen's ability to bleed profusely, a ruptured spleen can be life-threatening, resulting in shock.
Less common non-traumatic causes including: anticoagulation. [3] [4] [5] a ruptured aortic aneurysm. [5] a ruptured renal aneurysm. [6] acute pancreatitis. [citation needed] malignancy. [7] Retroperitoneal bleeds may also be iatrogenic, caused accidentally during medical procedures.
Traumatic rupture of the spleen on contrast enhanced axial CT (portal venous phase) Splenic hematoma resulting in free abdominal blood. Splenic rupture is usually evaluated by FAST ultrasound of the abdomen. [5] Generally this is not specific to splenic injury; however, it is useful to determine the presence of free floating blood in the ...
When the epidural hematoma is large enough, it will cause mass effect on contralateral brain which lead to midline, subfalcine (below the falx cerebri), and trans-tentorial (crossing tentorium cerebelli) herniations. This phenomenon can cause the subject to lose consciousness and eventually to death. [3]