Bowel Obstruction

Question 1

Imaging in Small Bowel Obstruction

Answer 1

Maximum normal diameter = 35 mm

Valvulae conniventes extend all the way across

SEE PASSMED IMAGES

Question 2

Imaging in Large Bowel Obstruction

Answer 2

Maximum normal diameter = 55 mm

Haustra extend about a third of the way across

Question 3

RULE

Answer 3

> 3, 6, 9cm = obstruction of

Small bowel > Large Bowel > Caecum