Subdural hematoma. A subdural hematoma (American spelling) or subdural haematoma (Commonwealth spelling), also known as a subdural haemorrhage (SDH), is a type of hematoma, usually associated with traumatic brain injury. Blood gathers between the inner layer of the dura mater and the arachnoid mater.
At 592,800 square kilometres (228,900 sq mi), Madagascar is the world's 46th largest country and the fourth-largest island. The country lies mostly between latitudes 12Â°S and 26Â°S, and longitudes 43Â°E and 51Â°E.
All of the islands of Africa, except for Madagascar, are classified as small islands under the UNESCO classification system for all islands under 2,000 square kilometres (770 sq mi). Madagascar, in contrast, at 587,041 square kilometres (226,658 sq mi) is the fourth-largest island in the world.ll of the islands of Africa, except for Madagascar, are classified as small islands under the UNESCO classification system for all islands under 2,000 square kilometres (770 sq mi). Madagascar, in contrast, at 587,041 square kilometres (226,658 sq mi) is the fourth-largest island in the world.