Heart arrhythmias detected in deep-diving marine mammals
Santa Cruz CA (SPX) Jan 20, 2015 - 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, published in Nature Communications, found a surprisingly high frequency of heart arrhythmias in bottlenose dolphins and Weddell seals during the deepest dives. The normal dive response in ma ... more

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