Ch 9 New + Emerging Imaging Technologies in U/S

Question 1

What does ABUS stand for?

Answer 1

Automated breast u/s

Question 2

What is automated breast u/s?

Answer 2

A method of using a calibrated u/s sweep to screen breasts for masses

Question 3

List 4 advantages for using ABUS?

Answer 3

-Fast
-No radiation exposure
-Calibrated images (measuring)
-Images + screens dense breasts, whereas traditional mammography does not perform this as well

Question 4

List 4 disadvantages for using ABUS?

Answer 4

-Time + cost
-Operator dependency
-Still requires a stand alone u/s unit
-Can not replace screening mammography

Question 5

What does POCUS stand for?

Answer 5

Point of care u/s

Question 6

Who typically uses POCUS?

Answer 6

Physicians

Question 7

What is POCUS?

Answer 7

-Ultrasound that can be used at bedside + fits in a pocket
-Is becoming very popular

Question 8

Can POCUS connect to our phone?

Answer 8

It may connect

Question 9

How big are the POCUS devices?

Answer 9

Some are smaller traditional u/s units:
-Can be handheld, like a phone
-May be laptop based

Question 10

When is POCUS used?

Answer 10

In angio suites + IV therapy

Question 11

List 5 advantages of POCUS?

Answer 11

-Quick
-Cheaper
-Allows for bedside clinical diagnosis
-Needle guidance for IVs
-FAST u/s (done in emergency department)

Question 12

List 4 disadvantages of POCUS?

Answer 12

-Images often are not stored on PACS
-Gap in medical record
-Not a full bedside exam
-Often requires full u/s exam anyways

(can cause legal issues by having a gap in the medical record + not having images saved)

Question 13

Are the disadvantages of POCUS starting to out weight the advantages these days?

Answer 13

Yes

Question 14

List 2 benefits to using wireless u/s probes?

Answer 14

-Portable
-Improves ergonomics in some situations

Question 15

List 3 disadvantages to using wireless u/s probes?

Answer 15

-Heavy
-Needs to be charged
-Can get lost

Question 16

Do standard u/s machines send images to PACS without being plugged into ethernet? If so, list advantages + disadvantages of this?

Answer 16

Yes!

Advantages:
-good for portables
-one less cord to manage

Disadvantage:
-security needs to be considered

Question 17

What does artificial intelligence (AI) use algorithms for?

Answer 17

To “read” images + detect abnormalities

Question 18

Artificial intelligence (AI) is used primarily with which imaging modalities?

Answer 18

MRI + CT images

Question 19

AI is built in as a part of what system?

Answer 19

PACS

Question 20

Can AI outperform humans?

Answer 20

Yes, at some tasks

Question 21

What types of lesions can AI be useful for?

Answer 21

Lung + breast lesions

Question 22

What is the name of the AI used in u/s?

Answer 22

SonoCNS by GE Healthcare

Question 23

What does SonoCNS by GE Healthcare allow for?

Answer 23

-Allows for a 3D volume capture of the fetal head + automatic plane detection
-It can perform standard measurements automatically

Question 24

AI in u/s can perform standard measurements automatically for which structures?

Answer 24

-Bladder volume calculations
-Thyroid measurements
-Nodule measurements

Question 25

List 4 ways how scan assistants work + can help our workflow?

Answer 25

-They automatically advance our settings from 1 image to the next
-They guide new techs through protocols
-They reduce errors or missing images
-They can make exam times faster

Question 26

What is B-Flow imaging?

Answer 26

A type of u/s imaging that allows visualization of blood flow by selectively enhancing the signal from moving blood cells, while simultaneously suppressing tissue signal

Question 27

Does B-Flow imaging show flow direction or amplitude?

Answer 27

No, it is not like CD

Question 28

What is B-Flow useful for detecting?

Answer 28

Trickle flow