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Fig. 1 —Comparison of CT attenuation in Hounsfield units (gray
bars) and MRI signal-to-noise ratio (SNR, white bars) of
involved myocardium, left ventricular cavity, and healthy myocardium. Values
are expressed as mean attenuation and standard error (SE) of mean. Scales have
been calibrated so that values for involved myocardium are at same height.
Mean involved-to-healthy myocardium signal ratio is smaller on CT than MRI
(2.7 vs 5.2, respectively). Conversely, mean involved myocardium-to-left
ventricular cavity signal ratio is greater on CT than MRI (1.9 vs 1.2).
