IBS

Question 1

what is IBS

Answer 1

chronic functional disorder of GI tract; no organic disease; disorder of gut-brain interaction

Question 2

clinical presentation of IBS

Answer 2

chronic or recurrent abdominal pain (LLQ tenderness)
altered bowel habits
bloating
NO noctural symptoms (uncommon)
triggered by fatty foods, spicy foods, coffee, alcohol

Question 3

red flags of IBS

Answer 3

onset > 50 years
rectal bleeding or melena
nocturnal pain
nocturnal diarrhea
progressive abdominal pain
unexplained weight loss
fever

Question 4

ROME IV criteria of IBS

Answer 4

recurrent abdominal pain (> 1 day/week in the last 3 months)
absence of alarm symptoms

Question 5

subtypes of IBS

Answer 5

IBS-C (constipation)
IBS-D (diarrhea)
IBS-M (mixed)
IBS-U (unclassified)

Question 6

describe the Bristol Stool Form scale

Answer 6

type 1 (constipation) –> type 7 (diarrhea)

Question 7

25% rule to subtype the patient’s IBS

Answer 7

IBS-C: > 25% of BMs are hard; < 25% of BMs are loose
IBS-D: > 25% of BMs are loose; < 25% of BMs are hard
IBS-M: > 25% of BMs are hard; > 25% of BMs are loose
IBS-U: < 25% of BMs are hard; < 25% of BMs are loose