GI Flashcards
SCORES FOR GI BLEEDS
GLASCOW BLACHFORD - upper GI BLEED
OAKLAND SCORE - LOWER GI BLEED
signs of bowel obstruction
- Abdo pain
- vomiting
- obstipation
4.constipation - abdominal distention
6.fecal vomitting
large vs small obstruction
larger: N+v is more of a late sign
constipation happens earlier
small:more n+v
valvulae coniventes seen
constipation occurs later (as poo is already in the distal colon can still be pooed out)
if you suspect bowel obstruction what investigations
what supportive care can be done?
abdominal x ray
ct abdo
analesia
NG tube -decompress
third spacing
fluid moves from intravascular space to interstial space(waste) so now you have less flid in the blood
most common cause of large bowel obstruction
malignacy
difference in vomitting patterns in bowl obstrcution
early - smalll bowel
late- larger
what are we worried about in bowel obstruction
- perforatin
- toxic megacolon
- third spacing !!- these pateints may need LOADS OF FLUIDS
all patients with suspected bowel onstruction should have a
NG TUBE INSERTED
hartmans
is a procedure that usually done on the sigmoid colon, usually and emergency when you have diverticulitis and there has been a perforation so you resect the dodgy bowel and make it a colostomy and the rectum stump you tie off!
how can diverticuliar disease lead to bowel obstruction and which part is most affected
- because repeated bouts of inflammation can cause strictures!
- sigmoid colon
divericultis symptoms
- left iliac fossa pain
- blood diarhea
3.vomitting - fever
- history of diverticular diseas
CEA IS for
bets investigation for bowel obstruction
colon cancer marker
CT with contrast to see
tinkling bowel sounds
found in bowel obsrcution, high pitched