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Figure 3 A case of a 60-year-old man. LVEF is 45%, and this patient is in NYHA functional class I. (A) Mildly reduced myocardial uptake is observed in the inferior wall on the delayed 123I-MIBG planar image. The delayed HMR is 2.0. (B) The relationship between HR and LV dP/dtmax of this patient is shown. The baseline LV dP/dtmax and maximum LV dP/dtmax are 1,224 mm Hg/s and 1,509 mm Hg/s, respectively. The percentage change in LV dP/dtmax from the baseline to the peak HR is 27%. A progressively increasing pattern of change in LV dP/dtmax is observed. Abbreviations as in Figures 1 and 2.
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