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A 56-year-old man was involved in a minor bicycle accident in which the handlebars of the bicycle struck his abdomen. He came to the emergency room with swelling and pain in his anterior abdomen. He had a history of atrial fibrillation, which required oral anticoagulant therapy. Physical examination revealed fullness and mild tenderness in his right periumbilical region, with a large pulsatile abdominal mass. A computed tomographic scan of the abdomen revealed a right-sided hematoma of the rectus sheath, 8 cm by 6 cm (small arrow), with the incidental finding of an infrarenal abdominal aortic aneurysm, 7 cm in diameter . . . [Full Text of this Article] |