Surgical Tut - Bowel Obstruction Flashcards
when vomit with large vs. small bowel?
small - sooner
large - later
what questions are negative with small bowel obstruction?
hurt when cough?
hurt with bumps?
not parietal
red flag abdo pain?
peritonitis:
ischaemia: genealized CONSTANT pain.
large bowel obstruction features?
no flatus
constipation
distension
small or large more distension?
large more distension
fever with bowel obstruction?
usually not unless perforation
what condition can cause intraluminal strictures in bowel?
crohn’s
adhesions more likely in large or small bowel?
small bowel
intraperitoneal
what cancers can cause small bowel obstruction
ovarian/pelvic cancers
what are small bowel primary cancers?
lymphoma
GIST: stromal tumours
causes of small bowel obstruction
adhesions
hernias
intussception
extrinsic compression
types of hernia?
femoral (skinny or ppl lose weight fast) inguinal incisional umbilical spegallian
intusseption?
one lumen is telescoped within itself
causes of large bowel obstruction
*cancer * sigmoid volvulus diverticular strictures pseudoobstruction severe constipation 2ndary to opiods
toxic megacolon in what condition?
ulcerative colitis
what is the narrowest point in GIT?
iliocaecal valve
what is a pseudo-obstruction?
not mechanical obstruction but has symptoms of it.
who get pseudo-obstruction?
ICU, electrolyte derangement
spinal patients, neuro
post-orthopaedic sx
small bowel on xray complete rings are called?
plica circularis
large bowel obstruction vomiting?
highly distended and vomit later if they have incompetent iliocaecal valve
management of small bowel obstruction?
x-rays
can do conservative management unless red flags
then CT
large bowel obstruction management?
CT
surgical intervention
management of small bowel obstruction?
x-rays
can do conservative management unless red flags
then CT
large bowel obstruction management?
CT
surgical intervention
