RT Book, Section A1 Barlotta, Kevin S. A1 Stack, Lawrence B. A1 Knoop, Kevin J. A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181041078 T1 Abdominal Distension T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessmedicine.mhmedical.com/content.aspx?aid=1181041078 RD 2024/03/28 AB Abdominal distention may be a symptom—described by the patient as the feeling of being bloated—or a sign, a protuberance of the patient’s abdomen. Obesity, ascites, pregnancy, neoplasms, aneurysm, tympanites (excess gas), organomegaly, urinary retention, bowel obstruction, hemoperitoneum, and constipation are important etiologies to consider in the differential.