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Junior Medicine- GI > IBS > Flashcards

IBS Flashcards

1
Q

What is IBS?

A

Functional bowel disorder

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2
Q

What does a functional bowel disorder mean?

A
  • No identifiable organic disease

- Diagnosis of exclusion

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3
Q

What percentage of the population have IBS?

A

20%

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4
Q

Which gender is most commonly affected?

A

Women

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5
Q

How does IBS present?

A
  • Abdo pain/bloating

- Diarrhoea/constipation (Fluctuates)

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6
Q

What relieves the pain in IBS?

A

Opening bowels

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7
Q

What worsens the pain in IBS?

A

Eating

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8
Q

What must be unremarkable for a diagnosis of IBS?

A
  • Full profile
  • Faecal calprotectin
  • anti-TTG antibodies
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9
Q

What must be present for IBS to be diagnosed?

A
  • Abdo pain with bowel habit change

and 2 of:

  • Bloating
  • Eating exacerbates
  • abnormal stools
  • mucus in stools
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10
Q

How is IBS conservatively managed?

A
  • Regular small meals
  • Limit caffeine and alcohol
  • Low FODMAP diet
  • Probiotics
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11
Q

What is FODMAP?

A

Short-chain carbs

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12
Q

What medications are first line in IBS?

A

Loperamide- diarrhoea
Linaclotide/laxative- constipation
Buscopan- cramps

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13
Q

What is the active drug in Buscopan?

A

Hyoscine butylbromide

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14
Q

What are the second and third line meds in IBS?

A

2nd- tricyclicanti-depressants (amitryptyline)

3rd- SSRIs

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15
Q

How is CBT used in IBS?

A

Reduce the stress associated with the symptoms

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16
Q

What is the principle of IBS management?

A

Find the patients’ preferred state between diarrhoea and constipation

17
Q

What does this describe?

‘Sometimes I get bloated. It can last several days, and if I go to sleep bloated, I will wake up bloated.’

A

IBS

18
Q

What does this describe?

‘When I wake up, my tummy is flat. As I go through the day, it gets more bloated. When I go to sleep, it will flatten again.’

A

Constipation

19
Q

What is constipation overflow and how does it present?

A

Watery diarrhoea
- Constipation promotes the release/leak of water into the GI lumen to flush it/go around the blockage

  • Do not use anti-diarrhoeals e.g. loperamide with this

Junior Medicine- GI (18 decks)

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