bowel obstruction Flashcards

1
Q

what sort of bowel sounds would you get in bowel obstruction?

A

tinkling bowel sounds

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2
Q

absent bowel sounds?

A

ileus

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3
Q

causes of bowel obstruction outside the bowel?

A

adhesions, hernia, tumour compression (external masses)

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4
Q

what is the most common cause of bowel obstruction?

A

adhesions

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5
Q

causes of bowel obstruction inside the bowel?

A

tumours, intucusseption, strictures (crohns/UC), bous obstruction (faeces, food bolus, gallstone illeus)

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6
Q

what part of the bowel is mobile and likely to war around itself?

A

sigmoid

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7
Q

which valve can on obstruction occur in

A

iliocaecal valve incometence (faeces cannot move backwards to relieve the pressure)

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8
Q

what is an adynamic bowel due to absence of normal peristalsis called?

A

illeus

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9
Q

acute colonic pseudo obstruction. what is the name of this syndrome?

A

Ogilvie syndrome

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10
Q

if its a volvulus, what might the nature of the tenderness be?

A

may be more localised over site

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11
Q

tinkling bowel sounds? absent bowel sounds?

A

tinkling - obstruction

absent - ileus

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12
Q

More acute onset of symptoms over hours.

Severe abdominal pain, with copious amounts of bile stained vomit with minimal distension

A

small bowel

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13
Q

Vomitus of semi digested food with no bile.

A

gastric outlet obstruction

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14
Q

More insidious onset of symptoms.
Absolute obstruction, abdominal colic with obvious distension and later onset of minimal vomit +/- feculent vomit.
Absolute obstruction indicates more distal obstruction.

A

large bowel obstruction

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15
Q

what is the coffee bean sign on x ray ?

A

sigmoid volvulus

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16
Q

Severe, constant pain.

Peritonitis + fever and raised white cells.

A

strangulated bowel

17
Q

what would you see on a CXR from bowel perforation?

A

on erect x ray you would see air under diaphragm

18
Q

what test is carried out to identify cause of obstruction n?

A

CT

19
Q

if wind is still being passed, is this complete or incomplete obstruction ?

A

incomplete

20
Q

why do you fluid resuscitate in bowel obstruction ?

A

provide rest for bowels and allows correction of electrolyte imbalance