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Figure 3 | EJNMMI Research

Figure 3

From: Use of a beta microprobe system to measure arterial input function in PET via an arteriovenous shunt in rats

Figure 3

Shunt length, flow rate, and arterial source. (a) Effect of shunt length on dispersion of the input function peak (first 5 min shown). Data aligned for start of peak and corrected for injected activity for comparison purposes. (b) Effect of shunt flow rate on input function shape. (i) Effect of increasing pump speed (inset: first 5 min); (ii) Effect of reducing pump speed (inset: first 5 min). Data aligned for start of peak and injected activity for comparison urposes. (c) Comparison of input functions derived from femoral artery-femoral vein shunt to carotid artery-femoral vein shunt (first 5 min shown). Data from two individual subjects. Data aligned for start of peak and corrected for injected activity for comparison purposes.

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