A paient presents to the emergency depament with pain and distension of abdomen and absolute constipation. What is the investigation of choice
The PA erect abdominal radiograph is often obtained in conjunction with the AP supine abdominal view in the acute abdominal series of radiographs. When used together it is a valuable projection in assessing air fluid levels, and free air in the abdominal cavity. The erect abdominal radiograph has viually disappeared from clinical practice in the United Kingdom, with studies dating back to the 1980s affirming that the erect projection rarely changed management Ref:
P[lain X-ray abdomen (erect)
Ultrasonography
Barium meal follow-through
Colonoscopy
Urology