IBD/diverticular/toxic mega Flashcards

(32 cards)

1
Q

where does UC affect

A

colon

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2
Q

where does crohns affect

A

can do whole GI tract

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3
Q

smoking and IBD

A

increases chance of crohns

reduces risk of UC

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4
Q

mental that may influence IBD

A

stress and depression can preceed episodes

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5
Q

difference in location pattern of UC and crohns

A

crohns - skip lesions

UC - continuous

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6
Q

what is cobblestone appearance

A

deep ulcers and fissures in crohns

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7
Q

where is the inflammation in crohns

A

transmural

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8
Q

transmural

A

across the entire wall of an organ or blood vessel

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9
Q

where does UC begin

A

rectum and extends

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10
Q

feature of UC lumen

A

red mucosa and bleeds easy

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11
Q

where is the inflammation in UC

A

mucosal

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12
Q

which IBD has a high chance of granulomas

A

crohns

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13
Q

microscopic findings of UC

A

Goblet cell depletion

Crypt abscesses

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14
Q

what is IBD

A

innapropriate immune response to things in the lumen

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15
Q

in the IBD pathophys which cells take over

A

effector T cells predominating over regulatory T cells.

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16
Q

what do the effector T cells release

A

proinflammatory cytokines

17
Q

what do the proinflmmatory cytokines do

A

promote macrophages to release TNF

18
Q

most common site for crohns

19
Q

colon crohns symptoms

A

diarrhoea, bleeding and pain related to defecation

20
Q

UC presentation

A

diarrhoea, often containing blood and mucus

21
Q

why might you see anaemia on blood test

A

normocytic normochromic anaemia of chronic disease

or cant absorb B12

22
Q

Crampy abdominal pain relieved by defecation or wind

23
Q

common symptoms of IBS

A

altered bowel habit, a sensation of incomplete evacuation, abdominal bloating

24
Q

diverticular formation

A

mucosa extrude through the colonic muscular wall

25
where are there weakened areas where diverticular can form
weakened areas near blood vessels
26
cause of diverticular disease
low fibre diet
27
diverticular symptoms
pain and constipation and bleeding
28
what does diverticulitis present with
left iliac fossa pain fever and nausea fistula into bladder
29
blood supply to colon
superior and inferior mesenteric arteries
30
area in colon most susceptible to ischemia
splenic flexure | cecum
31
what is toxic megacolon
extreme dilation of the GI tract
32
what is a big risk with toxic megacolon
perforation