Retroperitoneal haemorrhage is bleeding into the retroperitoneal space, either occurring spontaneously or secondary to an injury or illness
A 71 year old man presents with severe back pain and hypotension. You suspect abdominal aortic aneurysm (AAA).
41 year old female with a history of liver cirrhosis and ascites. She is anticoagulated for Budd-Chiari syndrome and presents with hypotension and right lower quadrant pain.