RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58097247 T1 Peptic Ulcer Perforation T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58097247 RD 2024/04/25 AB • Acute onset of severe upper abdominal pain• Immediate chemical peritonitis from gastroduodenal secretions followed by bacterial peritonitis in 12-24 hours• Free air on abdominal x-ray