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Figure 2 Regional strain rate parameters during baseline and acute ischemia. A significant change in regional peak strain rate during ejection (SSR), isovolumic relaxation (IVRSR) and early filling (ESR) occurred in the ischemic segments (solid square) but not in normally perfused segments (open circle). No overlap between normal and ischemic was found for IVRSR/SSR ratio. Values from all 28 animals and all three perfusion territories are displayed, except for IVRSR/SSR (25 animals).
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