Figure 4.
A 72-year-old, healthy female. Her heart rate was 52 beats/minute. The rest period of cardiac motion was 280 msec. Her body weight was 57.4 kg, and her BMI was 23.0. Her breathing frequency was 18 breaths/minute. The excursion of the diaphragm was 18 mm.
a. For the LM, the initial location of the NAV was 123 mm.
b. The location of the NAV was 120 mm at the end of the scan. The drift of the NAV was 3 mm during the scan. The scan efficiency was 24%.
c. The image quality of the LM was ranked as 1.
* The presentation of the location of the NAV on MR scanners may be vendor-specified.