FIGURE 7. Representative graphs of inferior-to-anterior myocardial activity ratio (A) and anterior-to-lateral activity ratio (B) as function of respiratory amplitude. Heart was at 30° caudal angulation; cold liver and spleen inserts were present. Myocardial insert contained 4.5 MBq ²⁰¹Tl. Respiratory pattern was normal respiration. FBP = FBP processing; AC = measured transmission AC with iterative reconstruction and scatter correction processing.

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