Fig. 7From: Assessing exercise cardiac reserve using real-time cardiovascular magnetic resonanceCorrelation and Agreement in Cardiac Index Derived from Exercise CMR and CPET. Linear regression of cardiac index values measured from CMR and derived from CPET at rest and peak exercise (a) and Bland-Altman plot of the difference between cardiac index measured from CMR and estimated from CPET, at rest and peak exercise (b)Back to article page