Should not delay surgical consult
Abdominal XR
Sigmoid<unk> Classically see "coffee bean sign" - large, distended colon with gas that seems to be bent over itself, making coffee bean shape
Can also perform contrast enema, look for "bird beak" sign
Frimann Dahl's sign
Absent rectal gas
Cecal<unk> May see findings similar to small bowel obstruction
Air-fluid level, paucity of gas
Distended loop of colon with haustral markings
Malrotation with midgut<unk> Upper GI with contrast
Obstructed duodenum with corkscrew appearance
Misplaced duodenum as demonstrated by NG tube
May see double-bubble sign due to obstruction
US may show SMA compromise
CT Abd/pelvis
Highly sensitive and specific for<unk> Usually not necessary in cecal<unk> May be helpful in diagnosis of sigmoid<unk>  look for "whirl sign"
Sigmoid<unk> Classically see "coffee bean sign" - large, distended colon with gas that seems to be bent over itself, making coffee bean shape
Can also perform contrast enema, look for "bird beak" sign
Frimann Dahl's sign
Absent rectal gas
Cecal<unk> May see findings similar to small bowel obstruction
Air-fluid level, paucity of gas
Distended loop of colon with haustral markings
Malrotation with midgut<unk> Upper GI with contrast
Obstructed duodenum with corkscrew appearance
Misplaced duodenum as demonstrated by NG tube
May see double-bubble sign due to obstruction
US may show SMA compromise
Classically see "coffee bean sign" - large, distended colon with gas that seems to be bent over itself, making coffee bean shape
Can also perform contrast enema, look for "bird beak" sign
Frimann Dahl's sign
Absent rectal gas
May see findings similar to small bowel obstruction
Air-fluid level, paucity of gas
Distended loop of colon with haustral markings
Air-fluid level, paucity of gas
Upper GI with contrast
Obstructed duodenum with corkscrew appearance
Misplaced duodenum as demonstrated by NG tube
May see double-bubble sign due to obstruction
US may show SMA compromise
Obstructed duodenum with corkscrew appearance
Misplaced duodenum as demonstrated by NG tube
May see double-bubble sign due to obstruction
Highly sensitive and specific for<unk> Usually not necessary in cecal<unk> May be helpful in diagnosis of sigmoid<unk>  look for "whirl sign"
Volvulus 
Emergent
Rectal foreign body
Necrotizing Enterocolitis
Anal fissure
Volvulus
Fecal impaction
Testicular torsion