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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Magn Reson Med. 2012 May 7;69(3):749–759. doi: 10.1002/mrm.24310

Figure 8.

Figure 8

3D IR-FGRE experiment to image the human kidney with respiratory gating using a tracking coil array placed on the abdomen together with an imaging coil. (A) without respiratory gating, (B) motion recorded with the tracking coils prior to and during the acquisition of (A). The first 200 time points show the tracking only period, and show a continuous breathing pattern, while the points after index 200 are during IR-FGRE image acquisition and show a discrete pattern due to the slower sampling rate. “*” marks the accepted points, which are all points when respiratory gating is not applied. (C) Imaging with respiratory gating, and (D) the motion recorded prior to and during the course of acquiring (C). Dotted horizontal lines show the 5mm acceptance window.