Investigations Flashcards

1
Q

What are urgent referral scenarios?

A
  • > 40yo with unexplained abdominal pain and weight loss
  • > 50yo with unexplained rectal bleeding
  • > 60yo with changes in bowel habit
  • > 60yo with unexplained iron deficiency anaemia
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2
Q

How do you diagnose IBS?

A
  • If classic history then FBC, ESR, CRP and coeliac serology
  • If >60yrs or any marker or organic disease (blood PR. decreased weight) then colonoscopy
  • Exclude ovarian cancer with serum Ca-125
  • Consider endometriosis if pain is cyclical
  • If IBS criteria not met consider stool culture, B12/folate, TSH and faecal calprotectin
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3
Q

What are the investigations for IBD?

A
  • Anaemia in IBD
  • Barium AXR: crohn’s will have string sign and UC has lead pipe colon
  • Stool culture
  • FBC + CRP
  • Anti-TTG (to rule out coeliac)
  • Faecal calprotectin
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4
Q

What are the reasons for doing a DRE?

A
  • Suspected appendicitis
  • PR bleed
  • Change in bowel habits
  • Part of abdominal examination
  • Genitourinary problems
  • Pelvic or spinal trauma
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