What is a ‘subdural hematoma’

A subdural hematoma is an increase in pressure within the skull that happens when blood collects in the space between the skull and the brain.

http://health.yahoo.com/nervous-resources/subdural-hematoma/healthwise–sts15301.html

Definition A subdural hematoma is a collection of blood in the space between the outer layer (dura) and middle layers of the covering of the brain (the meninges). It is most often caused by torn, bleeding veins on the inside of the dura as …

http://www.answerbag.com/q_view/446370

Subdural hematoma (SDH) is a condition when blood collects underneath the protective covering of the brain known as the dura. The dura is the outermost and strongest of the three protective layers of the brain. With subdural hematoma, veins…

http://www.pdrhealth.com/disease/disease-mono.aspx?contentFileName=ND7276G.xml&contentName=Subdural+Hematoma&contentId=1120&TypeId=2