Pneumoperitoneum can occur due to of anywhere along the gastrointestinal tract.
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 50-year-old man comes to the emergency department because of intense abdominal pain, nausea, and vomiting that began a few hours ago. He has a 20-pack-year history of smoking. He states that lately, he has been feeling full during meals sooner than he used to, and he has been feeling tired even though he has been getting his normal amount of sleep. A urease breath test came back positive, and the physician suspects a complication from peptic ulcer disease. Which of the following tests would be the best choice to confirm this diagnosis?