2023
DOI: 10.17996/anc.23-00178
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Optimization of Intraventricular Radioactive Concentration for <sup>13</sup>N ammonia PET with Time-of-Flight Scanner

Abstract: Background : Myocardial blood flow quantification (MBF) is one of the distinctive features for cardiac positron emission tomography. The MBF calculation is mostly obtained by estimating the input function from the time activity curve in dynamic scan. However, there is a substantial risk of count-loss because the high radioactivity pass through the left ventricular (LV) cavity within a short period. We aimed to determine the optimal intraventricular activity using the noise equivalent count rate (NEC… Show more

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