A35-year-old-man with a long history of occasional bloody diarrhea and abdominal pain presents with acute onset severe abdominal pain. vital signs are significant for a temperature of 39°c, heart rate 140, and blood pressure 82/55 mm hg. on physical exam, his abdomen is distended and tympanic. which of the following diagnostic studies is indicated first at this time?
a abdominal radiographb barium enemac ct scan of the abdomen pelvis with iv contrastd sigmoidoscopy

The correct answer is option A. "Abdominal radiograph".

Explanation:

Abdominal radiograph, or abdominal x-ray, is a diagnosis tool at which an image of the abdominal cavity is obtained based on the exposure of a small dose of ionizing radiation. The patient described in the question could be suffering from different conditions based on its symptomatology. The first tool to help to make a proper diagnosis is to perform an abdominal radiograph, to see any internal evidence of the possible cause of the occasional bloody diarrhea and abdominal pain.

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