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Figure 5A. Sheep developing MR after apical infarction (left) showed increased systolic tethering length (STL) over 1.5 months, not seen in sheep without MR (no inferoapical involvement).
Figure 5B. At 1.5 months post-infarction, sheep developing MR had larger tethering lengths in systole and diastole, with obliteration of the normal systolic decrease.
