MedStud QUIZ - Vascular ultrasound Copy

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Question1
Important points for successful cannulation
Which statements are correct? Select all that apply.
- It is only necessary to have the needle tip under control when it is entering the vessel
- The needle should be advanced in steps of approximately 1 cm in both children and adults
- Never rest your fingers and elbow during the procedure
- Movements should take place in the hands and fingers and not in the arms
- Using too narrow an angle when the needle is inserted can result in hitting and damaging the transducer
- Home-made gelatine vascular phantoms have a realistic soft tissue echogenicity that allow a good sonographic transmission.
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2 of 6
Question2
Recognising veins and arteries on an ultrasound image
Look at the three video recordings of veins and arteries. Which of the following statements are correct? Select all that apply.
- A is a vein
- Veins in the cross-sectional, short axis view are seen on the ultrasound screen as round, black structures
- B is an artery
- B is a vein
- C is an artery
- Structures that collapse when probe pressure is applied on the skin are most often veins
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3 of 6
Question3
Diameter of veins
The image displays several veins. Which of the following statements are correct? Select all that apply.
- The diameter of the vein marked with A is approximately 1-1.5 mm
- The diameter of vein marked with B is approximately 8 mm
- The diameter of vein marked with C is approximately 3 mm
- The depth of vein marked with A is good for ultrasound guided cannulation
- The depth of vein marked with B is good for ultrasound guided cannulation
- The depth of vein marked with C is better for ultrasound guided cannulation if also B is present
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4 of 6
Question4
Needle guidance
Which statements regarding needle guidance are correct? Select all that apply.
- The needle shaft and needle tip can easily be differentiated from each other on the screen
- Angling the transducer towards the needle tip may increase the presentation of the needle tip on the screen
- The only way to make sure that you are looking at the needle tip is to see the needle tip coming and going on the screen
- Moving the rear end of the needle to the left will during the correct procedure direct the needle tip to the right
- Moving the rear end of the needle UP will during the correct procedure direct the needle tip UP
- Advancing the needle should take place in steps of approximately 1 cm
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5 of 6
Question5
Needle guidance and skin puncture
Which statements are regarding needle guidance and skin puncture are correct? Select all that apply.
- The angle of attack during skin puncture should be individualized, typically 30 to 45 degrees during a peripheral procedure
- 1 to 2 cm from the transducer is the best distance for skin puncture
- During the correct procedure, moving the rear end of the needle UP will direct the needle tip upwards
- Puncture the skin as close to the transducer as possible – 1 to 2 mm is recommended
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6 of 6
Question6
Appropriate length of an intravenous catheter
Which of the following statements regarding length of intravascular catheters are correct? Select all that apply.
- The blue venflon (length 25 mm) is appropriate for cannulation in veins marked with A and C
- The pink venflon (length 32 mm) is appropriate for cannulation in veins marked with B and C
- The green normal length venflon (length 32 mm) is appropriate for cannulation in veins marked with A, B and C
- The green extra length venflon (length 45 mm) is appropriate for cannulation in veins marked with A, B, C and D
- The depth of the vessel below the skin surface should not exceed half of the length of the venous catheter
- A catheter with 45 mm length is appropriate for cannulation of vessels lying deeper than 30 mm
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MedStud QUIZ – Vascular ultrasound Copy

MedStud QUIZ – Vascular ultrasound Copy

Quiz Summary:

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Question1

Important points for successful cannulation

Question2

Recognising veins and arteries on an ultrasound image

Question3

Diameter of veins

Question4

Needle guidance

Question5

Needle guidance and skin puncture

Question6

Appropriate length of an intravenous catheter