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.
Miter the ceiling rails at both inside and outside corners. The corners of a room usually aren't perfectly square, so you'll have to use test pieces to find the exact angle for each corner (Photo 3). The crown molding tips and techniques shown in the rest of this article will help you install the wall rails.he built-up crown we chose for this project combines standard crown molding with two pieces of base trim. The result is a large, dramatic crown thatâs easier to install and less expensive than single-piece crown molding of similar size.