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.
To form an outside corner joint, set the saw blade at 45 degrees to the left; cut the first length of molding. 4. Rotate saw to 45 degrees to the right and cut the second mating molding piece. 5. For an inside corner joint, square-cut the first piece of molding and butt it tight into corner. 6. Miter-cut the second piece to 45 degrees. 7. Highlight the leading edge of the molding with a pencil. 8. Cut along leading edge with a coping saw.