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Stig Severinsen, PhD

Guinness Book of World Records Holder - Longest Underwater Breath Hold at 22 Minutes, Freediver

“Training for extreme records under extreme conditions is always a huge challenge. In such situations, it is of great value to be able to perform noninvasive and accurate measurements of my heart rate and oxygen saturation levels with a state-of-the-art device.”

 

Mammalian Dive Response –
Stig Severinsen lowers heart rate in icy water

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