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MR- (upper row) and macroscopic- (lower row) images of all four models of IE (I-IV) using S. aureus 6850, Newman and PBS as control (MOCK group). Aortic valves without abnormalities (a,g,h,i,m–o,s–u) are highlighted by yellow and insufficient aortic valves with bacterial vegetations (b,c,e,f) by red arrow heads. The white scale bar in the MR images represents 3 mm. The black bar in the macroscopic images refers to 0.5 mm.
