A previously healthy 62-year-old man comes to the emergency department because of abdominal pain for

Discussion in 'USMLE Step 2 CK' started by samuel, Nov 12, 2014.

  1. samuel

    samuel New Member

    A previously healthy 62-year-old man comes to the emergency department because of abdominal pain for 48 hours. His temperature is 38.6 C (101.5 F), blood pressure is 130/80 mm Hg, pulse is 110/min, and respirations are 15/min. Abdominal examination shows diffuse left lower quadrant tenderness with no peritoneal signs. Rectal examination shows no abnormalities; test of the stool for occult blood is negative. His leukocyte count is 14,700/mm3. Which of the following is the most appropriate next step in diagnosis?

    A
    ) Barium enema

    B
    ) CT scan of the abdomen

    C
    ) Colonoscopy

    D
    ) Cystoscopy

    E
    ) Exploratory laparotomy

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