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Figure 1 | Journal of Cardiovascular Magnetic Resonance

Figure 1

From: Myocardial skeletal muscle signal spoiling using a crusher coil: a human cardiac phosphorus (31P) MR spectroscopic imaging study at 7 Tesla

Figure 1

(A) Simulation of the residual signal for different current (Tspoil=100 μs). (B) Dimensions of the crusher coil. (C) Measured current flowing through the crusher coil for different drive voltages. (D) 2D-CSI in vitro experiment (TR = 1 s, TE = 2.3 ms, slice thickness=20 mm, matrix size = 180×180 mm2, res = 12×12, over a transversal slice) with a 2 slice phantom (top: H3PO4 and bottom: K2HPO42-) with 5 saturation protocols: (i) BISTRO saturation bands (thickness = 30mm), (ii) crusher spoiling (equivalent area to Ispoil×Tspoil= 13×100 A.μs square pulse), (iii) BISTRO and crusher spoiling (Ispoil×Tspoil= 13×100 A.μs) and (iv) crusher spoiling (Ispoil×Tspoil= 17×100 A.μs). The residual signal was obtained by normalizing the signal in each case by the unsuppressed signal, for each voxel in turn.

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