Living on the Edge: Deep-Diving Mammals Risk Heart Arrhythmias

January 19, 2015 3:08 AM

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Dolphins, seals may be experiencing heart rhythm problems during deep dives, researchers find. Conflicting needs of conserving oxygen while actively pursuing prey may be putting stress on their hearts, a study suggests.(Photo : William Monteleone, UC Santa Cruz)

Dolphins, seals may be experiencing heart rhythm problems during deep dives, researchers find. Conflicting needs of conserving oxygen while actively pursuing prey may be putting stress on their hearts, a study suggests.

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