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GI > appendicitis > Flashcards

appendicitis Flashcards

1
Q

average size of appendix?

A

6-7cm

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2
Q

cause of appendicitis?

A

obstruction - e.g. enterobius vermicularis

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3
Q

complication of appendicitis?

A

ischaemia due to increased intraluminal pressure

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4
Q

histological features of MACROvascular appendicitis?

A

fibrinopurulent exudate
perforation
abscess

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5
Q

histological features of MICROvascular appendicitis?

A

acute suppurative inflammation in wall and pus in lumen

acute gangrenous-full thickness necrosis +/- perforation

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6
Q

acute appendicitis - when is the highest age?

A

10-20yrs

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7
Q

cause of acute appendicitis?

A

gut organisms invade appendix after lumen obstruction

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8
Q

presentation for acute appendicitis?

A

periumbilical pain that moves to RIF

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9
Q

associated signs of acute appendicitis?

A

tachycardia
fever
peritonism with guarding and rebound
percussion tenderness in RIF

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10
Q

possible symptoms besides pain?

A

constipation
diarrhoea
vomiting (rare)

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11
Q

possbile +ve sign for acute appendicitis?

A

Rovsing’s sign - pain in RIF is higher than LIF

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12
Q

other signs of acute appendicitis?

A

cope

psoas

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13
Q

investigations for acute appendicitis?

A

bloods - reveal neutrophil leucocytosis, elevated CRP

CT over US as appendix is better seen

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14
Q

diagnosis?

A

history, examination and CT and bloods

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15
Q

classic sign of child with acute appendicitis?

A

vague tummy ache and not eating their fav foods

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16
Q

surgical and 1st line treatment of acute appendicitis?

A

appendicectomy - EMERGENCY

17
Q

name 2 antibiotics and their role in surgery?

A

piperacillin / tazobactam

reduces wound infections

18
Q

complications of acute appendicitis?

A

perforation
appendix mass
appendix abscess

19
Q

name 5 differential diagnoses for acute appendicitis?

A 
UTI
mesenteric adenitis 
cystitis 
cholecystitis 
crohns disease

GI (9 decks)

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