Benign Conditions of the Large Bowel Flashcards

1
Q

diverticular disease

A

muscosal herniation through muscle coat

sigmoid colon
low fibre intake
incidental finding

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2
Q

true lumen

A

main passage of the bowel

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3
Q

diverticulitis - clinical features

A

LIF pain/tenderness
septic
altered bowel habit

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4
Q

complicated diverticulitis

A

associated with another illness

pericolic absecess
perforation
haemorrhage
fistula
stricture
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5
Q

fistula

A

communication between two organs

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6
Q

colovesical fistula

A

fistula between the bowel and the bladder

darker urine
faeces in the urine - unusual
recurrent UTIs
gas

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7
Q

gyaconlogical fistula

A

cervix and bowel

vagina and bowel

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8
Q

uncomplicated diverticulitis

A

no IV fluids or fasting (bowel rest)

maybe IV antibiotics

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9
Q

complex diverticulitis

A

hartmann’s procedure

primary resection/anastomosis

percutaneous drainage

laparoscopic lavage and drainage

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10
Q

acute and chronic colitis

A

infective colitis, ulcerative colitis, crohns colitis, ischaemic colitis

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11
Q

acute and chronic colitis - symptoms

A

diarrhoea +/- blood
abdominal cramps
dehydration
sepsis

weight loss
anaemia

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12
Q

acute and chronic colitis - diagnosis

A

plain x ray
sigmoidoscopy and biopsy
stool cultures
barium enema

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13
Q

ulcerative coliti/crohns

A

IV fluids
IV steroids
GI rest - fasting

failure =
rescue medical therapy
surgery

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14
Q

ishaemic colitis

A

elderly
arteriopaths

acute or chronic occlusion
inferior mesenteric artery

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15
Q

colonic angiodysplasia

A

submucosal lakes of blood

obscure cause of rectal bleeding

usually right side of colon

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16
Q

colonic angiodysplasia - diagnosis

A

angiography
colonoscopy
injection or surgical resection

17
Q

colonic angiodysplasia - treatment

A

embolisation
endoscopic ablation
surgical resection

18
Q

large bowel obstruction - causes

A

colorectal cancer
benign stricture
volvulus

19
Q

large bowel obstruction - treatment

A

usually resuscitate, operate, stunting

20
Q

sigmoid volvulus - cause

A

bowel twists on mesentery

may become gangrenous

21
Q

sigmoid volvulus - diagnosis

A

plain x-ray abdo

rectal contrast

22
Q

sigmoid volvulus - complications/treatment

A

flatus tube

surgical resection

23
Q

pseudo-obstruction

A

no real mechanical obstruction

elderly/debilitated

hypoxia
biochemistry

24
Q

functional bowel disorders

A

chronic constipation

most - diety, laxatives
few - motility disorders

25
Q

functional bowel disorders

A

faecal impaction

bed ridden, elderly strong analgesics

enemas, laxatives
manual evacuation