Table 3 Definitions of fundamental terms associated with AIF.

r1

Contrast relaxivity=3.7 (l/mmol-s) for MAGNEVIST in plasma at 3T at 37 degrees³⁵

R1

1/T1 the inverse of the T1 value; relaxivity of blood³⁶

R1,0

The inverse of the T1 value of arterial blood without contrast agent=1660 ms³⁶

C

Contrast time curve