{
  "abstract": "A 66-year-old woman presented to the emergency department with a sudden, sharp epigastric pain that started 1 hour earlier while having dinner. On physical examination, she appeared ill and diffuse abdominal rebound tenderness was evident. The patient was too ill to stand, so a supine chest radiograph ( figure 1) was done.",
  "authors": [
    {
      "affiliations": [
        "Internal Medicine, Hospital Universitario Fundacion Jimenez Diaz, Madrid, Spain"
      ],
      "name": "Jorge Polo"
    },
    {
      "affiliations": [
        "Radiology, Hospital Universitario Fundacion Jimenez Diaz, Madrid, Spain"
      ],
      "name": "Begoña López-Botet"
    },
    {
      "affiliations": [
        "Internal Medicine, Hospital Universitario Fundacion Jimenez Diaz, Madrid, Spain"
      ],
      "name": "Ana Isabel del Pozo"
    }
  ],
  "title": "Sudden onset of acute abdominal pain",
  "uid": "95089a0e-1ca7-5ebd-9190-c7666d38d8a3"
}