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.
When you need to cut inside corners, cut one side with a drywall saw. Then score the other side of the drywall with a utility knife and snap it back as you would any other cut. Bend the back panel away from the score line to break it along the score.It is usually easier to snap the panel away from you.hen you need to cut inside corners, cut one side with a drywall saw. Then score the other side of the drywall with a utility knife and snap it back as you would any other cut. Bend the back panel away from the score line to break it along the score.