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Table 1 Cardiovascular Magnetic Resonance (CMR) sequence pre-settings at 1.5T

From: Safety and image quality of cardiovascular magnetic resonance imaging in patients with retained epicardial pacing wires after heart transplantation

Sequence

TI (ms)

TE/TR (ms)

Triggerpulse

Echo spacing (ms)

Flip angle (°)

Resolution (mm)

Layer-thickness (mm)

Readout bandwith (Hz/Pixel)

bSSFP Cine

(SAx, 4Ch, 2Ch)

 

1.21/52.2

 

2.9

64

1.4 × 1.4

6

930

T2 HASTE

 

43/467

x2

3.32

160

1.6 × 1.6

5

781

T1-mapping (SAx,4ch)

RR > 700ms)

180

1.13/279.84

 

2.7

35

1.4 × 1.4

8

1085

T1-mapping (SAx/4Ch)

*RR < 700ms

180

1.01/263.55

 

2.4

35

1.9 × 1.9

8

1085

T2-mapping

 

27/193.27

 

2.5

70

1.9 × 1.9

8

1184

STIR

150

47/760

x2

6.74

180

1.5 × 1.5

8

235

Rest Perfusion (SAx)

115

1.07/193.72

 

2.2

    

LGE (SAx,4Ch,3Ch, 2Ch)

(250)

variable

1.19/700

 

2.9

50

1.5 × 1.5

8

781

Post-contrast T1-mapping (SAx,4Ch)

*RR > 700

260

1.13/359.84

 

2.68

35

1.4 × 1.4

8

1085

Post-contrast T1-mapping (SAx,4Ch)

RR < 700

260

1.01/241.12

 

2.43

35

1.9 × 1.9

8

1085

  1. *Heart rate adapted; bSSFP, balanced steady state free precession; SAx, short axis; 4Ch, four chamber; 3Ch, three chamber; 2Ch, two chamber; RR, RR-Interval (ECG); STIR, short tau inversion recovery; LGE, late gadolinium enhancement; TI, inversion time; TE, repetition time; TR, repetition time