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.
Step 2: Measure Quarter Round Molding. Begin taking measurements for each length of quarter round molding and record these on the back sides of the selected molding to be cut. Begin with either an inside or outside corner at the end of a room. Mark each piece of molding with a light, straight line through the use of a tri-square. At the top of the square draw a vertical line down the side of the excess piece of the wood. This will tell you to which side of the line to cut.