GIT 2 Flashcards

1
Q

describe haemorrhoids

A

4% of adult population have them
they occur due to an increase in intrabdominal pressure in pregnancy/ straining

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2
Q

symptoms of haemorrhoids

A

tenesmus
stomach pain
bowel changes

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3
Q

what are the different types of haemorrhoids

A

internal piles above the dentate line- pain free
external piles painful, itching and discomfort due to having somatic sensation

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4
Q

how do haemorrhoids arise

A

from the anal cushion

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5
Q

what are the problems with haemorrhoids

A

bleeding
discharge
pain
itching
ulceration
difficulty with continence

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6
Q

how do we manage haemorrhoids

A

haemorrhoid cream
hygiene to keep clean
high fibre diet
fluid intake
soft stool

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7
Q

describe blood in the bowels

A

if blood is from the stomach- it is digested and turns black(melena stool)
in the colon- blood is mixed with stool
if there is blood from the sigmoid/rectum it coats the stool
if there is blood from the rectum/anus there is blood on toilet paper

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8
Q

what might be the issue with adnominal pain

A

hard to tell where it is originating from due to visceral pain

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9
Q

what questions do we ask regarding to abdominal pain

A

where is it
when is it
is it after eating
associated nausea and vomiting
when did you last move bowels
last pee?
last period?

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10
Q

describe the appendix

A

5-10 cm long
arises from the first section of the colon

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11
Q

where does the blood supply come to the appendixec

A

from the base of the appendix and if there is a blockage then tissues will die

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12
Q

what might be the issue with appendicitis

A

inflammation may compromise blood flow and it may increases and become inflammed, necrosis leads to leakage of bowel contents- peritonitis

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13
Q

what are end arteries

A

is an artery that is the only supply of oxygenated blood to a specific area

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14
Q

describe appendicitis

A

poorly localised pain
constipation or diarrhoea
malaise
anorexia
tenderness in lower right quadrant
peritonitis- peritoneal nociceptors

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15
Q

what is the tx for appendicitis

A

surgery to remove it

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16
Q

describe viral gastroenteritis

A

eg noravirus
faecal oral route
highly transmissible

17
Q

what are symptoms of viral gastroenteritis

A

nausea
vomititng
diarrhoea
malaise
fever

18
Q

treatment for viral gastroenteritis

A

rehydration
self limiting
usually resolves itself

19
Q

describe bacterial gastroenteritis

A

from contaminated food
eg salmonella
campylobacter
e coli

20
Q

describe symptoms of bacterial gastroenteritis

A

nausea
vomiting
diarrhoea
abdominal pain
fever
dehydration
fluid and electrolyte

21
Q

how do we treat bacterial gastroenteritis

A

may require antibiotics

22
Q

what is one issue regarding antibiotics and bacterial gastroenteritis

A

we can give antibiotics eg clindamycin, metronidazole and this can kill off healthy bacteria and leave c diff to cultivate and reproduce leading to c diff associated gastroenteritis which can be fatal

23
Q

describe GIT parasites

A

common in children
worms can be found in poo
itchy anus at night
diarrhoea, vomiting, abdominal pain

24
Q

what is the tx for parasites

A

praziquantel

25
Q

describe colorectal cancer

A

1 case per 1000
greater in 50 years
people usually have a family history and history of colorectal polyps

26
Q

risk factors of CRC

A

smoking
alcohol
lack of fresh veggies, fish
high red meat and dairy

27
Q

what are symptoms of CRC

A

abdominal pain
diarrhoea
constipation
anaemia

28
Q

how do we stage CRC

A

primary TI
secondary tumpr T2
and then distant metastases

29
Q

how do we screen for CRC

A

faecal occult blood - detects blood in poo- issue with this is can detect non human blood as well therefore false positive
faecal immunochemical trst- detects human blood in poo