An elderly man falls on a bench striking his left side. He h…

An elderly man falls on a bench striking his left side. He has to struggle to get into a standing position but is able to do so. He does not seek medical attention. The next day, he falls again and is unable to sit up. The EMTs arrive to find the patient pale and clammy. His BP is 60/40. In the emergency room, an abdominal sonogram is ordered. Which of the following should the sonographer suspect?