Beat-to-Beat Variation in Periodicity of Local Calcium Releases Contributes to Intrinsic Variations of Spontaneous Cycle Length in Isolated Single Sinoatrial Node Cells

• Oliver Monfredi,

  Affiliations Laboratory of Cardiovascular Science, National Institute on Aging - Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America, Institute of Cardiovascular Sciences, University of Manchester, Manchester, United Kingdom

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• Larissa A. Maltseva,

  Affiliation Laboratory of Cardiovascular Science, National Institute on Aging - Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America

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• Harold A. Spurgeon,

  Affiliation Laboratory of Cardiovascular Science, National Institute on Aging - Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America

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• Mark R. Boyett,

  Affiliation Institute of Cardiovascular Sciences, University of Manchester, Manchester, United Kingdom

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• Edward G. Lakatta,

  Affiliation Laboratory of Cardiovascular Science, National Institute on Aging - Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America

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• Victor A. Maltsev

  * E-mail: MaltsevVi@grc.nia.nih.gov

  Affiliation Laboratory of Cardiovascular Science, National Institute on Aging - Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America

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