1
Q
Causes of a pneumoperitonium
A
Peptic ulcer
Diverticulitis
Post op
2
Q
Causes of a pleural effusion?
A
Cancer
Heart Failure
Infection
PE
3
Q
Signs seen on xray in a tension pneumothorax
A
Mediastinal shift away
Tracheal deviation away
Depression of hemi-diaphragm
4
Q
Causes of small bowel obstruction
A
Adhesions
Hernias
Malignancy
5
Q
Causes of large bowel obstruction
A
Malignancy
Diverticular disease
6
Q
What characteristic sign do you see in a sigmoid volvulus?
A
Coffee bean sign
7
Q
What characteristic sign do you see in a bowel perforation?
A
Rigler’s sign
8
Q
How do you describe different densities in a CT heat?
A
High or low density
9
Q
How do you describe attenuation in a heat CT?
A
Hyper (bright/whiter) or hypo (darker) -attenuation
Lucy Knox - OSSE
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