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.
Its length from north to south is 1,580 km and its greatest width east-west is 560 km. Madagascar has a coastline of 5,000 km and is at the southern limit of the tropics. Its area is 587,041 square km.