The diagnosis of gallstone ileus is typically clinical and is considered when there is air in the on X-ray.
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 50-year-old woman comes to the office because of nausea, vomiting, and decreased appetite for the past four days. Her medical history shows systemic lupus erythematosus (SLE) and fibromyalgia, for which she requires chronic opiate therapy. Current medications include prednisone, hydroxychloroquine, and a daily multivitamin. She recently was treated for community-acquired pneumonia with azithromycin. She works as a nurse at a local hospital and denies use of drugs, alcohol, or tobacco products. Abdominal examination shows a soft, distended abdomen that is diffusely tender to palpation. Which of the following is the most likely underlying cause of her complaints?