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Gastro > Imaging the GI tract and GI diseases > Flashcards

Imaging the GI tract and GI diseases Flashcards

1
Q

What is required to complement radiological investigations

A

Blood Tests

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2
Q

What is the first line investigation for cholecystitis

A

Ultrasound

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3
Q

What exacerbates cholecystitis

A

Eating

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4
Q

What are the risks of having an ERCP

A

Pancreatitis

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5
Q

How do patients normally present with pancreatitis

A

Epigastric / diffuse abdominal pain

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6
Q

What is raised in pancreatitis

A

Amylase

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7
Q

Why might an ultrasound be useful in pancreatitis

A

To investigate whether gall stones have caused it

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8
Q

What are complications of pancreatitis

A

Necrosis
Pseudocysts
Intra-abdominal collections
Vascular complications

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9
Q

What is the purpose of imaging in pancreatits

A

To evaluate the complications

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10
Q

When is imaging best performed following the onset of symptoms?

A

1 week

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11
Q

What is the first line investigation for a perforation

A

Erect chest Xray

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12
Q

Why do we need an erect chest x ray

A

To allow us to see if there is air under the diaphragm

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13
Q

What do we need to rule out in females with suspected appendicitis

A

Gynaecological pathology

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14
Q

What are the first line investigations for appendicitis

A

Ulstrasound - confirms the diagnosis and allows us to find an alternative cause

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15
Q

Where is diverticulitis classically

A

In the LIF

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16
Q

Where is diverticulitis classically

A

In the LIF

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17
Q

What are 2 associations with diverticulitis

A

Diarrhoea

PR bleeding

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18
Q

What is diverticulitis

A

Inflammation associated with diverticular disease

19
Q

What is a main investigation for diverticulitis

A

CT - shows inflammatory change and associated complications

20
Q

What are 2 non GI causes

A

Urological or vascular

21
Q

Where does vascular pain radiate to

A

The back

22
Q

What are 2 causes of distended abdomen

A

Bowel gas and fluid

23
Q

What is the first line investigation for a suspected bowel source

A

AXR

24
Q

What is an Ileus?

A

Like an obstruction - the bowels are really irritated and there is a lot more gas than there should be.
Often occurs after surgery

25
Q

What other investigations for an obstruction

A

CT

26
Q

What are 4 causes of haematemesis

A

Tumour
Inflammation
Trauma
Vascular causes (varices)

27
Q

What is the first line investigation for haematemesis

A

Endoscopy

28
Q

What is the first line investigation for haematemesis

A

Endoscopy

29
Q

When do we do a CT contrast for a patient with haematemesis

A

When they are still bleeding

30
Q

What is the first line investigation for dysphagia

A

Endoscopy

31
Q

What is the radiological investigation for a change in bowel habit?

A

Barium enema or CT virtual colonography

32
Q

What are the benefits of a barium enema

A

Quick
Inexpensive
Widely available

33
Q

What is the main disadvantage of a barium enema

A

You can miss up to 1 in 5 cancers

34
Q

What are the two investigations for suspected Inflammatory Bowel disease

A

Endoscopy or a barium meal

35
Q

What is the most important part to look at

A

The terminal ileum

36
Q

When is a small bowel MRI used?

A

In known cases of small bowel Crohn’s or Large bowel Crohn’s with suspected small bowel involvement

37
Q

What can a radio-labelled white cell scan localise

A

Active inflammation

38
Q

What is a type of hepatic jaundice

A

Hepatitis

39
Q

What is a cause of post hepatic jaundice

A

Gall stones

40
Q

What is the purpose of radiological investigations in jaundice?

A

To determine whether it is hepatic or post hepatic causes

41
Q

What is the first line investigation for jaundice

A

Ultrasound

42
Q

What further investigations for jaundice may be required

A

MRCP or ERCP

43
Q

What is typically seen on an Ultrasound of liver metastases

A

Darker circles

Gastro (67 decks)

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