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.
Start along an outside corner of the wall if possible. Lay the crown molding upside down on the miter saw table so that the ceiling side of the molding is on the bottom, with the outside of the ceiling side sitting farthest away from the blade; the wall side should be the first edge you cut.. Hold the molding up on the wall so that one side touches the wall and the other touches the ceiling. The wall edge of the mitered end should touch the side of the corner; the ceiling side will protrude slightly past the corner.