M-Mode and Doppler

Question 1

What feature is better in M-Mode than 2D?

Answer 1

M-Mode has better temporal resolution

Question 2

What is used to measure dimensions of cardiac structes?

Answer 2

M-Mode

Question 3

Which axis in M-Mode represents time?

Answer 3

horizontal

Question 4

Which axis in M-Mode represents depth?

Answer 4

vertical

Question 5

When is M-Mode most accurate?

Answer 5

when perpendicular

Question 6

What levels do you obtain measurements in M-Mode?

Answer 6

1. aortic
2. MV
3. LV

Question 7

What is a normal aortic root measurement?

Answer 7

2-3.7cm

Question 8

What is a normal aortic valve measurement?

Answer 8

1.5-2.6cm

Question 9

What is a normal LA measurement?

Answer 9

1.9-4cm

Question 10

What measurements are you getting at the aortic level?

Answer 10

aortic root, aortic valve, LA

Question 11

What are the points at the MV level?

Answer 11

DEFABC

Question 12

Which point is ventricular systole over and the MV opens?

Answer 12

D

Question 13

Which point is the LV rapidly filling?

Answer 13

E

Question 14

Which point does the MV start to close?

Answer 14

F

Question 15

Which point does atrial systole (kick) occur and MV opens?

Answer 15

A

Question 16

Which point does the MV close and ventricular systole occur?

Answer 16

C

Question 17

What measurements are taken in LV diastolic level?

Answer 17

IVS, LV, LV posterior wall

Question 18

What is a normal measurement for IVSd??

Answer 18

0.6-1.1cm

Question 19

What is a normal measurement for LV diastolic?

Answer 19

3.7-5.6cm

Question 20

What is a normal measurement for LVPW?

Answer 20

0.6-1.1cm

Question 21

What is a normal measurement for LV systolic?

Answer 21

2-3.8cm

Question 22

What is the normal ejection fraction range?

Answer 22

65% +/- 12

Question 23

What measures speed and direction of blood flow through chambers and valves?

Answer 23

spectral doppler

Question 24

When is the doppler signal the best?

Answer 24

when the blood flow is parallel to doppler beam

Question 25

What is the angle for cardiac doppler?

Answer 25

0

Question 26

What collects velocity info from a specific area?

Answer 26

pulsed wave doppler

Question 27

What detects only low velocity flow?

Answer 27

PW doppler

Question 28

What causes the doppler signal to wrap around the baseline and flow appears to be moving in the opposite direction?

Answer 28

aliasing

Question 29

What detects all velocities along cursor?

Answer 29

CW doppler

Question 30

What is an advantage of CW doppler?

Answer 30

can detect low and high velocity

Question 31

What is the name of the blind, pencil probe used to evaluate probe?

Answer 31

Pedoff probe

Question 32

What are the best views to do doppler with?

Answer 32

PSAX, Apical 4/5

Question 33

What is the color towards the transducer?

Answer 33

red

Question 34

What is the color away from the transducer?

Answer 34

blue

Question 35

What does BART mean?

Answer 35

blue away, red towards

Question 36

What can be found using doppler in echo?

Answer 36

regurg/leakage in valve, evaluate stenosis

Question 37

What view is best for MV?

Answer 37

apical 4

Question 38

What is normal velocity for MV?

Answer 38

0.6-1.3m/s

Question 39

What is the waveform for MV?

Answer 39

biphasic, E wave (larger) and A wave

Question 40

What view is best for TV?

Answer 40

apical or PSAX

Question 41

What is normal velocity for TV?

Answer 41

0.3-0.7m/s

Question 42

What view is best for AoV?

Answer 42

apical 5

Question 43

What doppler is used for AoV?

Answer 43

CW

Question 44

What is normal velocity for AoV?

Answer 44

1-1.7m/s

Question 45

What view is best for LVOT?

Answer 45

apical 5

Question 46

What doppler is used for LVOT?

Answer 46

PW doppler

Question 47

What is normal velocity for LVOT?

Answer 47

1-1.7m/s

Question 48

What view is best for PV?

Answer 48

PSAX at base level

Question 49

What is normal velocity for PV?

Answer 49

0.6-0.9m/s

Question 50

What is mostly evaluated by acceleration time?

Answer 50

PV

Question 51

What is normal acceleration time for PV?

Answer 51

130m/s

Question 52

Is ascending aorta doppler above or below baseline?

Answer 52

above

Question 53

Is descending aorta doppler above or below baseline?

Answer 53

below