Fig. 3

Distribution of HSI-absence and HSI-presence based on first monitored rhythm, low-flow time, and ROSC to DW-MRI scan-interval within the poor neurological outcome group. Green cells indicate HSI-absence and red cells indicate HSI-presence. Small cells denote shockable rhythm, whereas large cells represent non-shockable rhythm. HSI-presence escalates with extended low-flow time, an increased ROSC to DW-MRI scan-interval, and a non-shockable rhythm. ROSC, return of spontaneous circulation; DW-MRI, diffusion-weighted magnetic resonance imaging; HSI, high-signal intensity.