AB167. The appropriate use of plain film abdomen in the acute surgical assessment unit: the experience of a model three Irish hospital - Hefferon, Thomas; Khullar, Natasha; Al-Zubaidy, Rena; Pretorius, Frederik (Mesentery and Peritoneum; Vol 4 (March 2020): Mesentery and Peritoneum (Abstracts for The Sylvester O'Halloran Perioperative Symposium 2020), 2020)