Assertion: ischemic penumbra | /r/LocatedNear | the infarct core
Facets:
value: in most cases
type: TEMPORAL
Source sentences:
text: The ischemic penumbra, which in most cases surrounds the infarct core, also has prolonged MTT or Tmax but in contrast, has only moderately reduced CBF and, importantly, near-normal or even increased CBV (due to autoregulatory vasodilatation) 1-3 (see figure 2).