6- How to perform an ultrasound Flashcards

1
Q

How to make sure the ultrasound waves can penetrate into tissue

A

clip hair
remove dirt and skin oil using alcohol
apply ultrasound gel
ensure contact between transducer and skin

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

Describe a linear transducer

A

creates a rectangular beam
requires full contact along the surface of the transducer to get a full cross sectional image

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

Describe a curved transducer

A

creates a triangular beam
requires only a small contact area

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

What is the purpose of a standoff

A

increases the distance between transducer and the skin
move superficial structures further away from the transducer

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

What do you need to consider when selecting the appropriate frequency for ultrasound

A

choose the highest frequency possible for the depth of structure you want to see
high frequency= good resolution but not good depth of penetration

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