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Use of artificial intelligence in cardiac imaging.

There has been a trend over the past few decades toward increasing use of quantitation in cardiac perfusion imaging, initially for planar imaging ( 1–3) and subsequently for SPECT imaging (4–8). Such quantitation may assist the novice reader, thereby increasing the accuracy of the interpretation. Even in the setting of relatively expert readers, quantitation provides the opinion of a second experienced observer, possibly alerting the reader to defects that may have been overlooked. Artificial intelligence has the potential to further improve the quality of this second computer-observer through the use of expert systems or neural networks.