URL of this page: //medlineplus.gov/ency/article/000713.htm. A subdural hematoma is a collection of blood between the covering of the brain (dura) and the surface of the brain. A subdural hematoma is usually the result of a serious head injury. When it occurs this way, it is called an acute subdural hematoma. Acute subdural hematomas are among the deadliest of all head injuries. The bleeding fills the brain area very rapidly, compressing brain tissue.
Mitering Inside Corners. 1  1. Measure the angle of the corner. 2  2. Set a compound miter saw with the correct angles. 3  3. Cut the right inside corner.  4. Set the miter saw angle 1  again. 5. Cut the left inside corner.  6. Fit the two pieces together before nailing them in place.
1 Line up the side molding so itâs even with the frame and overlays the top molding. 2  Mark the inside and outside points on the side molding where it intersects the top miter joint. 3  Connect the two points with a straight line and make the cut along that line.nfortunately not all such corners are exactly 90 degrees, so the miter joint has to be adapted to fit tightly. Hereâs how to go about it: 1  Nail the top piece of molding in place with a 45Â° angle cut. 2  Line up the side molding so itâs even with the frame and overlays the top molding.