S11 Revision and GW

Question 1

GW:
A pneumoperitoneum is when there is gas in the peritoneal cavity.
Describe a situation when detecting gas in the peritoneal cavity is not an
emergency

State two common causes of a pneumoperitoneum which require
emergency treatment

State two pathological conditions that can show up on plain abdominal.

What is the basic difference between a Barium swallow and a Barium
meal?

Answer 1

Laparoscopy (Key hole surgery)

Perforated small intestine
Peptic ulcer perforation

Chronic pancreatitis - calcified stone
Renal stones
Gall bladder stones
Other stones in the biliary tree
Calcified aorta

Barium swallow - looks at phraynx and oesophagus
Barium meal - looks at oesophagus, stomach, first part of duodenum
Barium follow through - everything

Question 2

GW:

Discuss the causes of small bowel obstruction using the headings below.
Think about causes from each group. (6 x ½ marks)

REALLY IMPORTANT - ABOUT THE SIZE OF THE SMALL INTESTINE, LARGE INTESTINE, CECUM

Discuss two common causes of large bowel obstruction indicating
their relative prevalence

Answer 2

Pic

3cm , 6cm , 9cm. = NORMAL
Anything above this = abnormal

1. Large bowel cancer
2. Diverticular disease
3. Volvulus