GI Flashcards
Most common cause of Gastroenteritis
campylobactor
Quick onset causes of GE
staph aures
Bacillus cereus
6-15hrs
How long after GE fit to return to work
Catering/medics 72hrs post diarrhoea
others 48hrs
Diarrhoea mx
Rehydrate
- 2L fluid/day + 200ml per loose stool
- Dioralyte to replace salts (oral rehydration solution)
- stop the anti-renal meds (NSAIDS, ACEi, diuretic)
Loperamide (imodium)
Abx rx for GE
Ciproflaxicin for campolybactor, shigella and giardia
Metronidazole for giardia
Dietary advice on IBS
- avoid insoluble fibre (bran), increase soluble (oats)
- low FODMAP diet
- avoid caffeine
- drink 8 cups of fluid a day
Mebeverine
antispasmodic
bloating and abdo discomfort
Loperamide
antidiarrhoeal agent
Laxatives examples
Sennna
Ispaghula
Macrogols
TCAs use in IBS
pain
diarrhoea, anxiety and depression
TCA example for IBS
amitriptyline
Linaclotide
guanylate cyclise c receptor agonist
for moderate to severe IBS
IBS meds
- antispasmodics
- antidiarrhoeal
- laxatives
- TCA
- SSRI
- linaclotide
Lifestyle advice for heartburn
healthy eating wt loss quit smoking avoid large fatty meals avoid alcohol
GORD meds
Self-treatment: - gaviscon 10 ml - or antacids (Mg or Al) PPI eg omperazole H2 antagonist eg ranitidine
When to take gavascone
10 ml after meals and at bedtime
When to urgently refer a reflux pt
> 55
recent onset
unexplained
persistent (4-6wks)
Dx of H pylori
stool sample tested for H pylori antigen
When to collect stool sample for H pylori
2wks post stopping PPIs
How to test if H pylori rx was effective
Carbon13 urea breath test
