Osmolarity and partitioning of fluids
Analysis of blood gases and acid-base balance
Acute abdomen: investigations
Acute abdomen: peritonitis
Acute abdomen: intestinal obstruction
Acute appendicitis
Gastrointestinal haemorrhage
Blunt and penetrating trauma to the abdomen
Gynaecological causes of abdominal pain
Intra-abdominal abscesses