Imaging the GI tract and GI diseases Flashcards

(43 cards)

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

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

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
What other investigations for an obstruction
CT
26
What are 4 causes of haematemesis
Tumour Inflammation Trauma Vascular causes (varices)
27
What is the first line investigation for haematemesis
Endoscopy
28
What is the first line investigation for haematemesis
Endoscopy
29
When do we do a CT contrast for a patient with haematemesis
When they are still bleeding
30
What is the first line investigation for dysphagia
Endoscopy
31
What is the radiological investigation for a change in bowel habit?
Barium enema or CT virtual colonography
32
What are the benefits of a barium enema
Quick Inexpensive Widely available
33
What is the main disadvantage of a barium enema
You can miss up to 1 in 5 cancers
34
What are the two investigations for suspected Inflammatory Bowel disease
Endoscopy or a barium meal
35
What is the most important part to look at
The terminal ileum
36
When is a small bowel MRI used?
In known cases of small bowel Crohn's or Large bowel Crohn's with suspected small bowel involvement
37
What can a radio-labelled white cell scan localise
Active inflammation
38
What is a type of hepatic jaundice
Hepatitis
39
What is a cause of post hepatic jaundice
Gall stones
40
What is the purpose of radiological investigations in jaundice?
To determine whether it is hepatic or post hepatic causes
41
What is the first line investigation for jaundice
Ultrasound
42
What further investigations for jaundice may be required
MRCP or ERCP
43
What is typically seen on an Ultrasound of liver metastases
Darker circles