Friday, 16 January 2015

Heart arrhythmias detected in deep-diving marine mammals


Date:
January 16, 2015

Source:
University of California - Santa Cruz

Summary:
A new study of dolphins and seals shows that despite their remarkable adaptations to aquatic life, exercising while holding their breath remains a physiological challenge for marine mammals. The study found a surprisingly high frequency of heart arrhythmias in bottlenose dolphins and Weddell seals during the deepest dives.


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