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. 2003 Mar 17;160(6):919–928. doi: 10.1083/jcb.200211012

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Copyright © 2003, The Rockefeller University Press

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Figure 5. — Defects in local Ca² ⁺ signaling in HF skeletal muscle. (A) ΔF/F line scan images of representative examples of Ca²⁺ sparks in muscles from sham and postmyocardial infarction (PMI) HF rats and Ca²⁺ sparks time course. (B) Relative distributions of the spatio-temporal properties of Ca²⁺ sparks. Charts indicate 25, 50, 75 percentiles, the horizontal lines indicate the range from 1–99% of the distribution. Sham, open symbols (n = 137, three animals); postmyocardial infarction (PMI), gray symbols (n = 82, two animals). *, P < 0.05. FDHM, full duration at 1/2 peak amplitude; FWHM, full width at 1/2 peak amplitude.