Over the course of October in Minneapolis, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 30 minutes, implying an average daily decrease of 2 minutes, 60 seconds, and weekly decrease of 20 minutes, 58 seconds.
Retroperitoneal hemorrhage (or retroperitoneal hematoma) refers to an accumulation of blood found in the retroperitoneal space. It can present with Grey Turner's sign (flank bruising). Causes include: 1  anticoagulation. 2  a ruptured aortic aneurysm. 3  a ruptured renal aneurysm. 4  acute pancreatitis. 5  malignancy.
Iatrogenic duodenal perforation is a rare complication of endoscopy and is usually suspected at the time of endoscopic examination. Perforation may be due to rupture from the endoscope or from an extended sphincterotomy. Typical CT findings include retroperitoneal air and fluid adjacent to the duodenum (Fig 7).