Chapter 11: Display Modes

A-mode - ____

Amplitude

appears as a series of upward spikes

A-mode

the x-axis of A-mode

depth

y-axis of A-mode

amplitude

_-mode is accurate in determining the depth of reflectors

A

appears as a line of dots of varying brightness

B-mode

with B-mode, ____ reflections appear as darker gray dots

weaker

with B-mode, ____ reflections appear as brighter white dots

stronger

x-axis of b-mode

depth

z-axis of b-mode

amplitude

the first form of gray scale imaging and the basis for all other types of gray scale imaging

b-mode

appears as a group of horizontal wavy lines

m-mode

x-axis of M-mode

time

y-axis of M-mode

depth

_-mode ultrasound information arises from a single penetration into the body

M

the “sampling rate” of M-mode is very high and is equal to the ____ of the system

PRF

used primarily to assess the motion of cardiac walls and structures

M-mode

only mode that provides information about a reflector’s changing location with respect to time

M-mode