Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CLASP Applied Anatomy & Radiology (Y3) > Acute Abdomen Radiology > Flashcards

Acute Abdomen Radiology Flashcards

1
Q

What are the primary imaging tools in acute abdomen?

A

X-ray CT USS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the secondary imaging tool in acute abdomen?

A

MRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the drawbacks of using CT?

A

 Increases cancer risk  Contrast – renal impairment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

USS allows for clear visualisation of…

A

solid organs, free fluid, aorta, pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

MRI is good for…

A

soft tissue imaging, especially in pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

MRI is used as a second-line test for…

A

hepato-biliary (MRCP), small bowel, pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which imaging should be used in acute appendicitis?

A

USS then CT if inconclusive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Diverticulitis may be misdiagnosed as…

A

appendicitis, colorectal Ca

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What do you need to be able to do when doing imaging for suspected diverticulitis?

A

o Make diagnosis o Look for complications – abscess, obstruction, perforation, fistulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Give complications of diverticulitis.

A

abscess, obstruction, perforation, fistulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which imaging modalities may be used in diverticulitis?

A

X-ray CT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How is acute cholecystitis diagnosed?

A

RUQ pain + fever/raised CRP/WCC + confirmatory imaging

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which imaging modalities are used in Acute cholecystitis?

A

USS MRCP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What would usually be seen on USS of acute cholecystitis?

A

 Gallstones  GB wall thickening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is emphysematous cholecystitis?

A

Air in gallbladder wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Who gets emphysematous cholecystitis?

A

Diabetics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Give common causes of small bowel obstruction.

A

adhesions, cancer, herniae & gallstone ileus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the main symptoms of small bowel obstruction?

A

vomiting, pain & distension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are the main signs of small bowel obstruction?

A

increased bowel sound, tenderness, palpable loops

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which imaging modalities can be used for small bowel obstruction?

A

X-ray CT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the drawback of x-ray in small bowel obstruction?

A

may not detect fluid-filled loops

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is gallstone ileus?

A

Obstruction of the small intestine due to gallstone impaction, usually at the iliocaecal valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are the main causes of large bowel obstruction?

A

colorectal cancer, volvulus, diverticulitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

How can you identify large bowel on x-ray?

A

Haustra go all the way across

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which imaging modality is best for large bowel obstruction?

A

CT - can identify cause too

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What should you look for in bowel obstruction to assess risk of perforation?

A

dilation of the caecum suggests high risk of perforation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What are the common causes of perforation in the GI tract?

A

Perforated ulcer Diverticulum

28
Q

Which imaging modalities are useful in perforation?

A

X-ray CT

29
Q

What % of CO does the GI tract usually receive?

A

20%

30
Q

What % of CO does the GI tract receive in ischaemia?

A

< 10%

31
Q

What are the most common causes of bowel ischaemia?

A

arterial occlusion, venous occlusion & non-occlusive hypoperfusion (combination of factors)

32
Q

What symptoms may be present in bowel ischaemia?

A

Severe abdo pain, vomiting, diarrhoea, distention

33
Q

Give some clinical features of bowel ischaemia.

A

Borderline amylase, raised WCC, acidotic

34
Q

Which imaging should be done in suspected bowel ischaemia?

A

Biphasic CT

35
Q

Which imaging modality is often used in ureteric colic?

A

CT

36
Q

How can haemorrhage control be achieved in leaking AAA?

A

Aortic balloon

37
Q

How can AAA be treated?

A

EVAR

38
Q

What is the role of USS in acute abdomen?

A

RUQ/RIF pain

39
Q

What is the role of CT in acute abdomen?

A

primary imaging for acute abdo pain apart from acute cholecystitis/appendicitis

40
Q

What are the main uses of plain film in acute abdomen?

A

Obstruction or Perforation

41
Q

Which pathology is seen here?

A

Acute appendicitis

42
Q

Which pathology is seen here?

A

Paracolic abscess

43
Q

What does this show?

A

Colovesical fistula

44
Q

Which pathology does this show?

A

Acute cholecystitis - GB wall thickening & gallstone

45
Q

Which pathology is seen here? What type of scan is this?

A

Gallstone in common bile duct - MRCP scan

46
Q

Which pathology is seen here?

A

Small bowel obstruction

47
Q

Which pathology is seen?

A

Small bowel obstruction

48
Q

Which pathology is seen?

A

Small bowel obstruction due to gallstone ileus

49
Q

Which pathology is seen?

A

Large bowel obstruction

50
Q

Which pathology is seen?

A

Large bowel obstruction

Also: Caecal tumour & liver mets

51
Q

Which pathology is seen here?

A

Perforation

52
Q

Which pathology is seen here?

A

Bowel ischaemia

53
Q

Which pathology is seen here?

A

Right ureteric calculus

54
Q

Which pathology is shown here?

A

Leaking AAA

55
Q
A
56
Q

What does the arrow point to?

A

Normal gastric bubble

57
Q

Which imaging would you order in suspected pancreatitis?

A

USS to look for gallstones

58
Q

What does the ultrasound show?

A

Gallstone in the gallbladder

59
Q

How should you prepare a patient for USS of the bile duct system?

A

Fast the patient

60
Q

In the context of a patient with pancreatitis, what does this show?

A

Oedema - suggestive of pancreatic necrosis

61
Q

What are the 2 major complications of pancreatitis?

A

Splenic vein thrombosis. Gastroduodenal artery haemorrhage.

62
Q

What type of imaging is this?

A

MRCP

63
Q

Which procedure can be used to remove gallstones?

A

ERCP

64
Q

This patient was treated for pancreatitis 3 months ago. What does the scan show?

A

Pseudocyst

65
Q

How are pseudocysts treated?

A

Percutaneous drainage

66
Q

What kind of tube is seen here?

A

Nasojejunal tube

CLASP Applied Anatomy & Radiology (Y3) (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions