Glenn S. Slavin1, Ting Song1,
Jeffrey A. Stainsby2
1Applied Science Laboratory, GE
Healthcare, Bethesda, MD, United States; 2Applied Science
Laboratory, GE Healthcare, Toronto, ON, Canada
Because
inversion times in cardiac Look-Locker acquisitions are a function of heart
rate, T1 measurements can be incorrect. Pulse sequence modifications to
account for heart rate variability and its effect on the magnetization
recovery curve can significantly improve T1 accuracy.