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![Nuclear medicine techniques for the diagnosis of cardiac amyloidosis: the state of the art](https://image.oaes.cc/9b186db4-f2e7-4274-8ddd-37e86c0d94fe/4175.fig.1.jpg)
Figure 1. Scintigraphic visual score of the radiopharmaceutical uptake as originally proposed by Perugini et al.[38]: (A) Score 0, no cardiac uptake; (B) Score 1, mild cardiac uptake lower than bone; (C) Score 2, moderate cardiac uptake equal to bone; and (D) Score 3, intense cardiac uptake higher than bone.