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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: J Nucl Cardiol. 2019 Dec 3;27(6):2083–2099. doi: 10.1007/s12350-019-01973-9

Figure 6.

Figure 6.

Imaging myocardial perfusion reserve and inflammation with a convergent PET/MRI protocol. Using the current state of practice, imaging myocardial perfusion and inflammation sequentially would take approximately 140 minutes, unacceptably prolonging the exam. Using convergent technology, this could be reduced to 60 minutes with near-perfect registration, using a rapid dual-injection for 13N-ammonia for measuring rest and stress blood flow, as suggested by Rust et al.94 However, when injecting the tracer beforehand or using alternate tracer delivery, and using BOLD MRI instead of PET61, it could be reduced even further, to 30 minutes or less.