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An accelerometer-derived ballistocardiogram method for detecting heartrates in free-ranging marine mammals

View ORCID ProfileMax F. Czapanskiy, View ORCID ProfilePaul J. Ponganis, View ORCID ProfileJames A. Fahlbusch, View ORCID ProfileT. L. Schmitt, View ORCID ProfileJeremy A. Goldbogen
doi: https://doi.org/10.1101/2021.12.03.471142
Max F. Czapanskiy
1Hopkins Marine Station, Department of Biology, Stanford University, USA
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  • For correspondence: maxczap@stanford.edu
Paul J. Ponganis
2Scripps Institution of Oceanography, University of California San Diego, USA
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James A. Fahlbusch
1Hopkins Marine Station, Department of Biology, Stanford University, USA
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T. L. Schmitt
3Animal Health Department, SeaWorld of California, USA
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Jeremy A. Goldbogen
1Hopkins Marine Station, Department of Biology, Stanford University, USA
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Abstract

Physio-logging methods, which use animal-borne devices to record physiological variables, are entering a new era driven by advances in sensor development. However, existing datasets collected with traditional bio-loggers, such as accelerometers, still contain untapped eco-physiological information. Here we present a computational method for extracting heartrate from high-resolution accelerometer data using a ballistocardiogram. We validated our method with simultaneous accelerometer-electrocardiogram tag deployments in a controlled setting on a killer whale (Orcinus orca) and demonstrate the method recovers previously observed cardiovascular patterns in a blue whale (Balaenoptera musculus), including the magnitude of apneic bradycardia and increase in heart rate prior to and during ascent. Our ballistocardiogram method may be applied to mine heart rates from previously collected accelerometery and expand our understanding of comparative cardiovascular physiology.

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • https://doi.org/10.5281/zenodo.5753233

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC 4.0 International license.
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Posted December 04, 2021.
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An accelerometer-derived ballistocardiogram method for detecting heartrates in free-ranging marine mammals
Max F. Czapanskiy, Paul J. Ponganis, James A. Fahlbusch, T. L. Schmitt, Jeremy A. Goldbogen
bioRxiv 2021.12.03.471142; doi: https://doi.org/10.1101/2021.12.03.471142
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An accelerometer-derived ballistocardiogram method for detecting heartrates in free-ranging marine mammals
Max F. Czapanskiy, Paul J. Ponganis, James A. Fahlbusch, T. L. Schmitt, Jeremy A. Goldbogen
bioRxiv 2021.12.03.471142; doi: https://doi.org/10.1101/2021.12.03.471142

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