Ultrasound & Central Lines (Exam III)

Question 1

What transducer (and frequency) is best for resolution and superficial depths?

Answer 1

Linear (7-15mHz)

Question 2

What transducer (and frequency) is useful for echocardiography?

Answer 2

Phased (1-3 mHz)

Question 3

What transducer (and frequency) is best for deeper tissues?

Answer 3

CurviLinear (2-5mHz)

Question 4

Gain is the way to adjust _____ and ____ _____.

Answer 4

brightness; signal quality

Question 5

What is the assessment point for the RUQ?

Answer 5

1. Morison’s Pouch

Question 6

What is the assessment point for the LUQ?

Answer 6

2. Peri-splenic view

Question 7

What is the assessment point for an ultrasound pelvic view?

Answer 7

3. Suprapubic

Question 8

What is the assessment point for the cardiac view?

Answer 8

4. Cardiac View

Question 9

What are potential indications for gastric ultrasound?

Answer 9

Question 10

What are the various grades for gastric ultrasound assessment?

Answer 10

• Grade 0 antrum → empty
• Grade 1 antrum → <1.5 mL/kg
• Grade 2 antrum → >1.5mL/kg
• Solid food

Question 11

What are contraindications to CVL placement?

Answer 11

• Renal cell tumor extending into atrium
• Tricuspid valve vegetation (Thanks Camille!)
• Site infection or similar issue

Question 12

What is the distance from the right IJ to the cavoatrial junction?

Answer 12

15 cm

Question 13

What is the distance from the left IJ to the cavoatrial junction?

Answer 13

18 cm

Question 14

What is the distance from the right subclavian vein to the cavoatrial junction?

Answer 14

14 cm

Question 15

What is the distance from the left subclavian vein to the cavoatrial junction?

Answer 15

17 cm