A 36 y.o. male is admitted to the ED via EMS after a high-speed MVC.  The patient was the unrestrained driver of the vehicle. The medics report that the patient "broke the steering wheel.  It was also noted on exam that the patient has extensive bruising in the upper abdominal region.  His physical exam reveals multiple minor lacerations and a large bruise over his anterior torso.  His abdomen is diffusely tender.  His vital signs are stable.  You perform a FAST exam...  

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