True about Ogilvie syndrome are all except
It is caused by mechanical obstruction of the colon
It involves entire \/ pa of the large colon
It occurs after previous surgery
It occurs commonly after narcotic use
Ogilvie syndrome is the acute dilation of the colon in the absence of any mechanical obstruction in severely ill patients. Colonic pseudo-obstruction is characterized by massive dilatation of the cecum (diameter > 10 cm) and right colon on abdominal X-ray.
G.I.T