Ultrasound: Skills of carrying out Focused Assessment with Sonography in Trauma (FAST)

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Question 1 of 10

1. Question
Which of the following is an ideal probe to use to carry out FAST?
- A curvilinear probe at 3-5 mHz
- A phased array probe at 6 mHz
- A linear probe at 10 mHz
- Any probe set to a high frequency
- Any probe set to a low frequency
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Question 2 of 10

2. Question
Which one of the following can a FAST scan not detect?
- Retroperitoneal bleeding
- 850 ml of intraperitoneal free blood
- A large pleural effusion
- Cardiac tamponade
- Ascites
Correct

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Question 3 of 10

3. Question
In major trauma, a FAST scan is ideally carried out under which of the following circumstances?
- Rapidly and repeatedly
- After the primary survey
- By a radiologist
- Once only
- While waiting for a CT
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Question 4 of 10

4. Question
The specificity of FAST in published data is best summarised by which of the following?
- 100%
- Between 95-100%
- Between 90-95%
- Between 80-90%
- Less than 80%
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Question 5 of 10

5. Question
Which of the following is true in terms of detection of free fluid?
- A negative finding may still mean an abnormality exists
- 75% of sonographers can detect 50 ml of fluid
- Free fluid is almost always found in the pouch of Douglas
- The LUQ view is the most sensitive
- A positive finding is always abnormal
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Question 6 of 10

6. Question
A colleague presents you with the image shown. Which of the following is true of this image?
- Fluid is identified
- The depth is set correctly
- The far gain is too low
- This is a good image of the LUQ
- A high frequency setting on a curved probe is being used
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Question 7 of 10

7. Question
CT of the abdomen does NOT need to follow FAST scanning in which of the following circumstances?
- An unstable trauma patient with a clearly positive FAST scan
- GCS 13 patient with a mild adbominal abrasion and no fluid see on FAST
- A patient who has been unstable but who has a clear FAST scan
- A stable patient with two sequential clear scans but significant guarding
- A patient with mild trauma plus known metastasic disease and a trace of fluid
Correct

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Question 8 of 10

8. Question
The image shown is correctly labelled except for which one of the following?
- Free intraperitoneal fluid
- Morison’s pouch
- Right lobe of the liver
- Renal parencyma
- Pleural space
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Question 9 of 10

9. Question
In this image, the pleural space can be described as which of the following?
- Normal
- Containing air
- Containing fluid
- Suggesting a ruptured diaphragm
- Of poor image quality
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Question 10 of 10

10. Question
In this image, which of the following is true of the pericardial space?
- It is best assessed posteriorly
- It is best assessed anteriorly
- It contains blood
- It contains fluid
- The small amount of fluid is normal
Correct

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Ultrasound: Skills of carrying out Focused Assessment with Sonography in Trauma (FAST) – Post Test

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