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.
The first step in finishing these is to attach metal corner bead to the joint with drywall screws or nails (17) . Then, using an 8-in. knife, fill the area over the corner bead with compound (18) . Work on one side of the corner first and then finish the other.orner Joints. To start an inside joint, first load a 5-in. knife on one corner only (11) and then apply the compound to one wall with a smooth, steady stroke (12) . By working in this fashion, you will limit the compound that squeezes out.