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Schematic of the T1 mapping protocol. T1 maps were obtained precontrast with all three pulse sequences. T1 maps were obtained with all sequences at 5, 10, and 15 minutes after the bolus injection of Gd-DTPA. At 15 minutes the continuous infusion was started and T1 maps were obtained with all three sequences every 5 minutes until equilibrium signal intensity was established in the myocardium and blood-pool.
