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Fig. 3. —Graph shows T1 decay time versus gadolinium concentration for
all examined solutions (gadolinium in normal saline, saline with albumin, and
saline with iodinated contrast agent iohexol) at 1.5 and 3 T. Note that curves
for normal saline and albumin gadolinium solutions are similar at 3 and 1.5 T,
with albumin giving slightly lower T1 for concentrations less than 1 mmol/L.
Iohexol has substantial effect on curves, reducing T1 by approximately factor
of 4, with somewhat greater reduction at 1.5 T than 3 T.
