<prompt> Abdominal compament syndrome develops when abdominal pressures are more than12 mm of Hg14 mm of Hg16 mm of Hg20 mm of Hg  <response>: Abdominal compament syndrome ACS comprises increasingorgan dysfunction or failure as a result of IAH intra abdominal hypeension. IAH is presentwhen there is consistent increased IAP Intra abdominal pressure greater than 12 mm Hg,determined by a minimum of three measurements conducted 4to 6 hours apa, measured at the end of expiration in a relaxedpatient. ACS may be primary or secondary and develops when IAP is 20 mm Hg or greater, with or without abdominal perfusion pressure less than 50 mm HgSabiston 20e pg: 327 