Module 6: Doppler Ultrasound & Doppler Artefacts Flashcards

1
Q

Viscosity

A

measure of a fluid’s resistance to flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pulsed wave Doppler

A

measures flow at a specific point using a sample volume box

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Static filling pressure

A

Left ventricular filling pressure - the pressure that fills the ventricle in diastole and determines stroke volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Poiseuille’s equation

A

For laminar flow in a tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cardiac output

A

How many liters of blood the heart pumps in 1 minute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Blunt (or plug) flow

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Obstruction

A

the limitation of blood flow out of the left ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Continous wave doppler

A

measures all blood flow velocities along the cursor line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Complex doppler signal

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Spectural broadening

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Baseline

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Power Doppler

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ensemble length

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Echo wavetrain

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Fixed echo cancellation

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Directional power doppler

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

End diastolic velcoity

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Triphasic waveform

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Venous incompetence

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Deep vein thrombosis

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Beat frequency

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Velocity profile

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Aliasing

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Bernoulli’s principle

A
25
Q

Duplex Doppler

A
26
Q

Eddy flow

A
27
Q

Doppler shift

A
28
Q

Plused wave doppler

A
29
Q

Fast fourier transform (FFT)

A
30
Q

Spectural ‘window’

A
31
Q

Spectural inversion

A
32
Q

Autocorrection

A
33
Q

Colour resolution box

A
34
Q

Colour aliasing

A
35
Q

Mean frequency estimation

A
36
Q

Volume flow rate

A
37
Q

High velocity jet

A
38
Q

Biphasic waveform

A
39
Q

Monophasic waveform

A
40
Q

Laminar Flow

A
41
Q

Nyquist limit

A
42
Q

Hydrostatic pressure

A
43
Q

Reynold’s number

A
44
Q

Compliance

A
45
Q

Turbulence

A
46
Q

Doppler effect

A
47
Q

Stenosis

A
48
Q

Power specturm

A
49
Q

Wall filter

A
50
Q

Velocity range

A
51
Q

Dwell time

A
52
Q

Mean doppler shift

A
53
Q

Pulsatility index

A
54
Q

Resistive index

A
55
Q

Peak systolic velocity

A
56
Q

Slow flow stenosis

A
57
Q

Augmentation

A
58
Q

Turbulence

A