29.2 Chronic Diarrhoea

Question 1

diarrhoea worse in viral gastro or colitis?

Answer 1

worse in viral gastro cause large bowel can’t cope with amount of fluid absorption wise

Question 2

cholera is what kind of diarrhoea?

Answer 2

secretory

Question 3

rotavirus is what kind of diarrhoea

Answer 3

more osmostic

Question 4

definition of chronic diarrhoea in children?

Answer 4

usually a least two weeks

Question 5

Chronic Non specific diarrhoea is?

Answer 5

• usually longer than 2 weeks
• child is thriving
• no stool MCS,
• TTG is normal

Question 6

what is osmotic diarrhoea?

Answer 6

sugar malabsorption/intolerance

Question 7

secondary causes of osmotic diarrhoea?

Answer 7

short gut
bacterial overgrowth
allergies
imune deficiency

Question 8

inuit have common deficiency in what that causes profuse diarrhoea?

Answer 8

congenital sucrose malabsorption

Question 9

how to test if osmotic vs. secretory?

Answer 9

osmotic will stop if NBM

Question 10

infective causes of secretory diarrhoea?

Answer 10

e.coli
fat malabsorption
laxative abuse
-rare tumours

Question 11

inflammatory causes of diarrhoea? infective?

Answer 11

campylobacter
salmonella
yersinia
amoebic dysentery

Question 12

idiopathic inflammatory bowel diseases?

Answer 12

UC, Crohn's
indeterminate
eosinophilic enteritis
-immune dffiency
-blood and pus

Question 13

erythema nodosum when you press on it?

Answer 13

tender

Question 14

crohns affects what layer of gut? consequence?

Answer 14

full thickness - stricturing/ cobblestoning

Question 15

UC affects predomantly what layer of gut?

Answer 15

mucosa

Question 16

why important to know if can’t handle long or medium chain fatty acids?

Answer 16

if long chain only, can nourish with medium chains (direct absorption)

Question 17

classic disease involving fat malabsorption?

Answer 17

cystic fibrosis

Question 18

dx of coeliac disease?

Answer 18

TTG IgA Abx

Question 19

new european guidelines for coeliac dx?

Answer 19

if first degree relative plus +ve TTG 10x normal, don’t need a bx to prove

Question 20

where is coeliac serology not reliable?

Answer 20

• very young (<2)

- IgA deficiency

Question 21

abdo pain with defecation in crohn’s is common?

Answer 21

Nope, abdo pain is,

pain with defection more UC

Question 22

IBD, give opiates?

Answer 22

never: risk of toxic megacolon