Lesson 4b: Pulse Repetition Frequency

Question 1

Brighter colours mean ____ velocity

Answer 1

increased

Question 2

PRF is measured by __/s

Answer 2

cm

Question 3

Carotids should be examined with PRF between ___ and ___cm.s

Answer 3

30-40 cm/s

Question 4

Cardiac US should be scanned with PRF between ___-___ cm/s

Answer 4

60-80 cm/s

Question 5

Normal venous flow should be scanned at a PRF of less than ____ cm/s

Answer 5

<20 cm/s

Question 6

Nyquist Limit is equal to

Answer 6

1/2 the PRF