Functional GI Disorders Flashcards
4 categories of functional GI disorders
functional dyspepsia
belching disorders
chronic nausea and vomiting disorders
rumination syndrome
what two syndromes come under functional dyspepsia
postprandial distress syndrome
epigastric pain syndrome
what is rumination syndrome
habit of regurgitating food which has already been digested
diagnostic criteria for functional dyspepsia
symptom onset more than 6 months ago
symptoms experienced for last 3 months
one or more of:
- bothersome postprandial fullness
- bothersome early satiety
- bothersome epigastric pain
- bothersome epigastric burning
and no evidence of structural disease that is likely to explain symptoms
structural disease must be ruled out with an endoscopy
what is post-prandial distress syndrome
type of functional dyspepsia
fullness and satiety but no pain
gastric dysmotility or abnormal accommodation
what is epigastric pain syndrome
type of functional dyspepsia
pain and burning due to visceral hypersensitivity
new onset of dyspepsia >55 is likely to be
oncogenic disease
epigastric pain syndrome is due to hypersensitivity which can be treated by
SSRIs
what nerve supplies parasympathetic to gut
vagus
what type of synapse is parasympathetic supply to gut
cholinergic
what type of synapse is sympathetic
adrenergic
diagnostic criteria for IBS
abdominal pain
and
2 of
- pain related to defaecation
- change in stool frequency
- change in stool form
symptoms over 6 months
weekly for last 3 months
feature of pathophysiology of IBS
visceral hypersensitivity
what are the 4 types of IBS
IBS-C (constipated)
IBS-M (mixed)
IBS-D (diarrhoea)
IBS-U (unclassified)
what bristol stool classification is IBS-C
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