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Computed tomography: in vitro evaluation of myocardial infarction.

An in vitro study of computed tomographic (CT) scanning of experimental myocardial infarction (MI) was performed by studying isolated canine hearts 18 to 48 yrs. post-infarction. CT scanning does not detect histologically present calcification in the area of an MI, but can be used to identify wall thickness changes in these areas. Decreased attenuation coefficients are found infarcted myocardium where thinning is present. The potential CT scanning to detect areas of MI is confirmed.