Complex sentence: In general terms, the procedure for an open "appendicectomy is as follows.Antibiotics" are given immediately if there are signs of sepsis, otherwise a single dose of prophylactic intravenous antibiotics is given immediately prior to surgery.
Split into simpler sentences: In general terms, the procedure for an open appendicectomy is as follows. Antibiotics are given immediately if there are signs of sepsis, otherwise a single dose of prophylactic intravenous antibiotics is given immediately prior to surgery.