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Table 1 Typical image parameters for each experiment

From: Aortic valve stenotic area calculation from phase contrast cardiovascular magnetic resonance: the importance of short echo time

  

SSFP cines

Phase Contrast variants

   

TE 2.79 ms

TE 2.00 ms

TE 1.50 ms

TR

(ms)

3.01

12.7

9.8

6.7

TE

(ms)

1.27

2.79

2.0

1.5

Flip angle

(degrees)

60

30

30

20

FOV

(mm)

320-360

320-360

320-360

320-360

Slice Thickness

(mm)

6

6

5.5

5.5

Acquisition Matrix

 

256 × 208

256 × 88

192 × 92

192 × 92

Lines acquired/Phase

 

11

4

4

7

Averages

 

1

1

1

2

Acquired Slices

 

3 long axis, 6-8 short axis

MPA, LVOT, 0 cm, 1 cm, 2.5 cm

0 cm, 1 cm, 2.5 cm,

0 cm, 1 cm, 2.5 cm

Typical VENC

(cm/s)

-

500

500

500

  1. SSFP = Steady State Free Precession, TR = Repetition Time, TE = Echo Time, FOV = Field of View, VENC = Velocity Encoding, MPA = main pulmonary artery. LVOT = Left ventricular outflow tract, 0 cm/1 cm/2.5 cm = distance distal from aortic valve.
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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