Gastro Flashcards
1
Q
What condition is ursodeoxycholic acid most likely to relieve symptoms ?
A
Primary biliary cirrhosis
2
Q
How do you calculate the stool osmotic gap ? What type of diarrhoea does this correspond to?
A
Stool osmolality = 2 x (Na stool + K stool)
Osmotic gap = 290- stool osmolality
Osmotic gap > 100 = osmotic diarrhoea
Osmotic gap < 50 = secretory
3
Q
Where does the majority of ferrous iron get absorbed ?
A
Duodenum
4
Q
What is the genetic predisposition to alpha 1 antitrypsin deficiency ?
A
PiZZ
5
Q
What should you suspect with a raised succinylacetone ?
A
Tyrosinaemia
