Week 10 Display Modes

Question 1

What are the three modes of display or formats?

Answer 1

1. Amplitude Mode
2. Brightness Mode
3. Motion Mode

Question 2

What does the x axis for A-mode represent?

Answer 2

Represents reflector depth

horizontal

Question 3

What does the y-axis for A-mode represent?

Answer 3

Represents reflection amplitude

Vertical

Question 4

What do weaker reflections appear as on B-mode?

Answer 4

Weaker reflection appear as dark gray dots/areas.

Question 5

What do stronger reflections appear as on B-mode?

Answer 5

brighter white dots

Question 6

What does the x-axis represent for B-mode?

Answer 6

Represents reflector depth.

Question 7

Does B-mode have a y axis?

Answer 7

No, only x and z axis.

Question 8

With B-mode, which axis is related to the strength of the reflection?

Answer 8

The Z-axis.

Question 9

What does the x-axis represent on M-mode?

Answer 9

represents time

horizontal

Question 10

What does the y-axis represent on M-mode?

Answer 10

represents reflector depth

Question 11

What is the main use for M-mode

Answer 11

Motion of cardiac structures

Question 12

What does M-mode have that the other 2 formats do not?

Answer 12

High frame rate

Question 13

Which is the only display mode that provides information regarding reflector motion with respect to time?

Answer 13

M-mode

Question 14

With A-Mode, strong echoes create what?

Answer 14

Tall spikes

Question 15

With A-mode, weaker reflections create what?

Answer 15

short spikes

Question 16

What is M-Mode?

Answer 16

One scan line is used to graph motion over time as it corresponds to the B-mode image.

Question 17

Sample rate of M-Mode

Answer 17

Sample rate equals PRF of the ultrasound system.

Question 18

What was the first form of gray scale imaging?

Answer 18

B-Mode