what does a visible small bowel on xray indicate
pneumoperitoneum
what are valvulae conniventes
plicae circularis, useful for working out if bowel is small or large
what is a possible complication of ulcerative colitis
toxic megacolon
what are the indications for an abdominal xray
bowel obstruction
perforation of hollow viscus
exacerbation of Crohns/UC/pseudomembranous colitis
pancreatitis
what should AXRs not be used for
acute GI bleed palpable mass (CT) constipation cholecystitis appendicitis
what imaging can be used for cholecystitis and appendicitis
ultrasound
how should abdominal xrays be interpreted
bowel gas pattern
free gas
bowel wall thickening
abnormal oppacities (calculi)