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Fig. 1 | EJNMMI Physics

Fig. 1

From: Automatic extraction of forward stroke volume using dynamic PET/CT: a dual-tracer and dual-scanner validation in patients with heart valve disease

Fig. 1

a Example of arterial (red) and venous (blue) clusters as obtained after cluster analysis. The arterial cluster includes the left atrium and ventricle and the aorta while the venous cluster includes the vena cava, right atrium and ventricle, and the pulmonary arteries. b Time-activity curves of the clusters in a for arterial (red circles) and venous (blue circles) blood and corresponding isolated first-pass peaks (lines)

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